StaticAbilityAssignNoCombatDamage (#5998)

* StaticAbilityAssignNoCombatDamage

---------

Co-authored-by: tool4ever <[email protected]>

forge-game/src/main/java/forge/game/ability/SpellAbilityEffect.java

@@ -898,6 +898,9 @@ public void run() {
         } else if ("UntilHostLeavesPlayOrEOT".equals(duration)) {
             host.addLeavesPlayCommand(until);
             game.getEndOfTurn().addUntil(until);
+        } else if ("UntilHostLeavesPlayOrEndOfCombat".equals(duration)) {
+            host.addLeavesPlayCommand(until);
+            game.getEndOfCombat().addUntil(until);
         } else if ("UntilLoseControlOfHost".equals(duration)) {
             host.addLeavesPlayCommand(until);
             host.addChangeControllerCommand(until);

forge-game/src/main/java/forge/game/card/Card.java

@@ -4591,19 +4591,13 @@ public final boolean toughnessAssignsDamage() {
         return StaticAbilityCombatDamageToughness.combatDamageToughness(this);
     }
 
-    // How much combat damage does the card deal
-    public final StatBreakdown getNetCombatDamageBreakdown() {
-        if (hasKeyword("CARDNAME assigns no combat damage")) {
-            return new StatBreakdown();
-        }
-
-        if (toughnessAssignsDamage()) {
-            return getNetToughnessBreakdown();
-        }
-        return getNetPowerBreakdown();
+    public final boolean assignNoCombatDamage() {
+        return StaticAbilityAssignNoCombatDamage.assignNoCombatDamage(this);
     }
+
+    // How much combat damage does the card deal
     public final int getNetCombatDamage() {
-        return getNetCombatDamageBreakdown().getTotal();
+        return assignNoCombatDamage() ? 0 : (toughnessAssignsDamage() ? getNetToughnessBreakdown() : getNetPowerBreakdown()).getTotal();
     }
 
     private int intensity = 0;

forge-game/src/main/java/forge/game/staticability/StaticAbilityAssignNoCombatDamage.java

@@ -0,0 +1,34 @@
+package forge.game.staticability;
+
+import forge.game.card.Card;
+import forge.game.card.CardCollection;
+import forge.game.zone.ZoneType;
+
+public class StaticAbilityAssignNoCombatDamage {
+
+    static String MODE = "AssignNoCombatDamage";
+
+    public static boolean assignNoCombatDamage(final Card card) {
+        CardCollection list = new CardCollection(card.getGame().getCardsIn(ZoneType.STATIC_ABILITIES_SOURCE_ZONES));
+        list.add(card);
+        for (final Card ca : list) {
+            for (final StaticAbility stAb : ca.getStaticAbilities()) {
+                if (!stAb.checkConditions(MODE)) {
+                    continue;
+                }
+                if (applyAssignNoCombatDamage(stAb, card)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    public static boolean applyAssignNoCombatDamage(final StaticAbility stAb, final Card card) {
+        if (!stAb.matchesValidParam("ValidCard", card)) {
+            return false;
+        }
+        return true;
+    }
+
+}

forge-gui/res/cardsfolder/b/bone_dancer.txt

@@ -4,6 +4,7 @@ Types:Creature Zombie
 PT:2/2
 T:Mode$ AttackerUnblocked | ValidCard$ Card.Self | TriggerZones$ Battlefield | OptionalDecider$ You | Execute$ DBChangeZone | TriggerDescription$ Whenever CARDNAME attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, CARDNAME assigns no combat damage this turn.
 SVar:DBChangeZone:DB$ ChangeZoneAll | Origin$ Graveyard | Destination$ Battlefield | ChangeType$ Creature.TopGraveyardCreature+DefenderCtrl | GainControl$ True | ChangeNum$ 1 | SubAbility$ DBNoCombatDamage
-SVar:DBNoCombatDamage:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 SVar:NeedsOrderedGraveyard:OPPONENT
 Oracle:Whenever Bone Dancer attacks and isn't blocked, you may put the top creature card of defending player's graveyard onto the battlefield under your control. If you do, Bone Dancer assigns no combat damage this turn.

forge-gui/res/cardsfolder/c/carrion_rats.txt

@@ -2,8 +2,9 @@ Name:Carrion Rats
 ManaCost:B
 Types:Creature Rat
 PT:2/1
-T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigNoCombatDamage | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile a card from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
-T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ TrigNoCombatDamage | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile a card from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
-SVar:TrigNoCombatDamage:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage | UnlessCost$ ExileFromGrave<1/Card> | UnlessPayer$ Player | UnlessSwitched$ True
+T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ DBNoCombatDamage | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile a card from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
+T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ DBNoCombatDamage | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile a card from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT | UnlessCost$ ExileFromGrave<1/Card> | UnlessPayer$ Player | UnlessSwitched$ True
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 AI:RemoveDeck:All
 Oracle:Whenever Carrion Rats attacks or blocks, any player may exile a card from their graveyard. If a player does, Carrion Rats assigns no combat damage this turn.

forge-gui/res/cardsfolder/c/carrion_wurm.txt

@@ -2,7 +2,8 @@ Name:Carrion Wurm
 ManaCost:3 B B
 Types:Creature Zombie Wurm
 PT:6/5
-T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ TrigNoCombatDamage | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile three cards from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
-T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ TrigNoCombatDamage | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile three cards from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
-SVar:TrigNoCombatDamage:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage | UnlessCost$ ExileFromGrave<3/Card> | UnlessPayer$ Player | UnlessSwitched$ True
+T:Mode$ Attacks | ValidCard$ Card.Self | Execute$ DBNoCombatDamage | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile three cards from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
+T:Mode$ Blocks | ValidCard$ Card.Self | Execute$ DBNoCombatDamage | Secondary$ True | TriggerDescription$ Whenever CARDNAME attacks or blocks, any player may exile three cards from their graveyard. If a player does, CARDNAME assigns no combat damage this turn.
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT | UnlessCost$ ExileFromGrave<3/Card> | UnlessPayer$ Player | UnlessSwitched$ True
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 Oracle:Whenever Carrion Wurm attacks or blocks, any player may exile three cards from their graveyard. If a player does, Carrion Wurm assigns no combat damage this turn.

forge-gui/res/cardsfolder/c/cloak_of_confusion.txt

@@ -3,8 +3,9 @@ ManaCost:1 B
 Types:Enchantment Aura
 K:Enchant creature you control
 A:SP$ Attach | Cost$ 1 B | ValidTgts$ Creature.YouCtrl | TgtPrompt$ Select target creature you control | AILogic$ Pump
-T:Mode$ AttackerUnblocked | ValidCard$ Creature.EnchantedBy | Execute$ CloakofConfusionPump | OptionalDecider$ You | TriggerDescription$ Whenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.
-SVar:CloakofConfusionPump:DB$ Pump | Defined$ TriggeredAttackerLKICopy | KW$ HIDDEN CARDNAME assigns no combat damage | SubAbility$ CloakofConfusionDiscard
+T:Mode$ AttackerUnblocked | ValidCard$ Creature.EnchantedBy | Execute$ DBNoCombatDamage | OptionalDecider$ You | TriggerDescription$ Whenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.
+SVar:DBNoCombatDamage:DB$ Effect | RememberObjects$ TriggeredAttackerLKICopy | StaticAbilities$ SNoCombatDamage | ForgetOnMoved$ Battlefield | SubAbility$ CloakofConfusionDiscard
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.IsRemembered | Description$ Remembered creature assigns no combat damage this turn.
 SVar:CloakofConfusionDiscard:DB$ Discard | Defined$ TriggeredDefendingPlayer | Mode$ Random | NumCards$ 1
 AI:RemoveDeck:All
 Oracle:Enchant creature you control\nWhenever enchanted creature attacks and isn't blocked, you may have it assign no combat damage this turn. If you do, defending player discards a card at random.

forge-gui/res/cardsfolder/d/delifs_cone.txt

@@ -3,8 +3,9 @@ ManaCost:0
 Types:Artifact
 A:AB$ Effect | Cost$ T Sac<1/CARDNAME> | ValidTgts$ Creature.YouCtrl | Triggers$ TrigAttackerUnblocked | RememberObjects$ Targeted | ForgetOnMoved$ Battlefield | SpellDescription$ This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.
 SVar:TrigAttackerUnblocked:Mode$ AttackerUnblocked | ValidCard$ Card.IsRemembered | Execute$ GainLife | OptionalDecider$ You | TriggerDescription$ This turn, when that creature attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.
-SVar:GainLife:DB$ GainLife | Defined$ You | LifeAmount$ DelifX | SubAbility$ DBPump
-SVar:DBPump:DB$ Pump | Defined$ Remembered | KW$ HIDDEN CARDNAME assigns no combat damage | StackDescription$ {c:Remembered} assigns no combat damage this turn.
+SVar:GainLife:DB$ GainLife | Defined$ You | LifeAmount$ DelifX | SubAbility$ DBNoCombatDamage
+SVar:DBNoCombatDamage:DB$ Effect | RememberObjects$ Remembered | StaticAbilities$ SNoCombatDamage | ForgetOnMoved$ Battlefield
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.IsRemembered | Description$ Remembered creature assigns no combat damage this turn.
 SVar:DelifX:Remembered$CardPower
 AI:RemoveDeck:All
 Oracle:{T}, Sacrifice Delif's Cone: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

forge-gui/res/cardsfolder/d/delifs_cube.txt

@@ -2,8 +2,9 @@ Name:Delif's Cube
 ManaCost:1
 Types:Artifact
 A:AB$ Effect | Cost$ 2 T | ValidTgts$ Creature.YouCtrl | Triggers$ TrigAttackerUnblocked | ExileOnMoved$ Battlefield | RememberObjects$ Targeted | SpellDescription$ This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on CARDNAME.
-SVar:TrigAttackerUnblocked:Mode$ AttackerUnblocked | ValidCard$ Card.IsRemembered | Execute$ DBPump | TriggerDescription$ This turn, when targeted creature attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on EFFECTSOURCE.
-SVar:DBPump:DB$ Pump | Defined$ Remembered | KW$ HIDDEN CARDNAME assigns no combat damage | SubAbility$ PutCounter
+SVar:TrigAttackerUnblocked:Mode$ AttackerUnblocked | ValidCard$ Card.IsRemembered | Execute$ DBNoCombatDamage | TriggerDescription$ This turn, when targeted creature attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on EFFECTSOURCE.
+SVar:DBNoCombatDamage:DB$ Effect | RememberObjects$ Remembered | StaticAbilities$ SNoCombatDamage | ForgetOnMoved$ Battlefield | SubAbility$ PutCounter
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.IsRemembered | Description$ Remembered creature assigns no combat damage this turn.
 SVar:PutCounter:DB$ PutCounter | Defined$ EffectSource | CounterType$ CUBE | CounterNum$ 1
 A:AB$ Regenerate | Cost$ 2 SubCounter<1/CUBE> | ValidTgts$ Creature | TgtPrompt$ Select target creature | SpellDescription$ Regenerate target creature.
 AI:RemoveDeck:All

forge-gui/res/cardsfolder/d/dwarven_vigilantes.txt

@@ -4,6 +4,7 @@ Types:Creature Dwarf
 PT:2/2
 T:Mode$ AttackerUnblocked | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigDamage | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME attacks and isn't blocked, you may have it deal damage equal to its power to target creature. If you do, CARDNAME assigns no combat damage this turn.
 SVar:TrigDamage:DB$ DealDamage | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumDmg$ X | SubAbility$ DBNoCombatDamage
-SVar:DBNoCombatDamage:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 SVar:X:Count$CardPower
 Oracle:Whenever Dwarven Vigilantes attacks and isn't blocked, you may have it deal damage equal to its power to target creature. If you do, Dwarven Vigilantes assigns no combat damage this turn.

forge-gui/res/cardsfolder/f/farrels_mantle.txt

@@ -3,8 +3,9 @@ ManaCost:2 W
 Types:Enchantment Aura
 K:Enchant creature
 A:SP$ Attach | Cost$ 2 W | ValidTgts$ Creature | TgtPrompt$ Select target creature | AILogic$ Pump
-T:Mode$ AttackerUnblocked | ValidCard$ Creature.EnchantedBy | Execute$ FarrelDmg | TriggerController$ EnchantedController | OptionalDecider$ EnchantedController | TriggerDescription$ Whenever enchanted creature attacks and isn't blocked, its controller may have it deal damage equal to its power plus 2 to another target creature. If that player does, the attacking creature assigns no combat damage this turn.
-SVar:FarrelDmg:DB$ DealDamage | ValidTgts$ Creature.NotTriggeredAttacker | TgtPrompt$ Select another target creature | NumDmg$ FarrelX | DamageSource$ TriggeredAttackerLKICopy | SubAbility$ FarrelPump
-SVar:FarrelPump:DB$ Pump | Defined$ TriggeredAttackerLKICopy | KW$ HIDDEN CARDNAME assigns no combat damage
+T:Mode$ AttackerUnblocked | ValidCard$ Creature.EnchantedBy | Execute$ FarrelDmg | OptionalDecider$ EnchantedController | TriggerDescription$ Whenever enchanted creature attacks and isn't blocked, its controller may have it deal damage equal to its power plus 2 to another target creature. If that player does, the attacking creature assigns no combat damage this turn.
+SVar:FarrelDmg:DB$ DealDamage | ValidTgts$ Creature.NotTriggeredAttacker | TgtPrompt$ Select another target creature | NumDmg$ FarrelX | DamageSource$ TriggeredAttackerLKICopy | SubAbility$ DBNoCombatDamage
+SVar:DBNoCombatDamage:DB$ Effect | RememberObjects$ TriggeredAttackerLKICopy | StaticAbilities$ SNoCombatDamage | ForgetOnMoved$ Battlefield
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.IsRemembered | Description$ Remembered creature assigns no combat damage this turn.
 SVar:FarrelX:TriggeredAttacker$CardPower/Plus.2
 Oracle:Enchant creature\nWhenever enchanted creature attacks and isn't blocked, its controller may have it deal damage equal to its power plus 2 to another target creature. If that player does, the attacking creature assigns no combat damage this turn.

forge-gui/res/cardsfolder/f/farrels_zealot.txt

@@ -4,5 +4,6 @@ Types:Creature Human
 PT:2/2
 T:Mode$ AttackerUnblocked | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigDamage | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME attacks and isn't blocked, you may have it deal 3 damage to target creature. If you do, CARDNAME assigns no combat damage this turn.
 SVar:TrigDamage:DB$ DealDamage | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumDmg$ 3 | SubAbility$ DBNoCombatDamage
-SVar:DBNoCombatDamage:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 Oracle:Whenever Farrel's Zealot attacks and isn't blocked, you may have it deal 3 damage to target creature. If you do, Farrel's Zealot assigns no combat damage this turn.

forge-gui/res/cardsfolder/f/floral_spuzzem.txt

@@ -3,6 +3,7 @@ ManaCost:3 G
 Types:Creature Elemental
 PT:2/2
 T:Mode$ AttackerUnblocked | ValidCard$ Card.Self | Execute$ TrigDestroy | OptionalDecider$ You | TriggerDescription$ Whenever CARDNAME attacks and isn't blocked, you may destroy target artifact defending player controls. If you do, CARDNAME assigns no combat damage this turn.
-SVar:TrigDestroy:DB$ Destroy | ValidTgts$ Artifact.ControlledBy TriggeredDefendingPlayer | TgtPrompt$ Select target artifact | SubAbility$ DBPump
-SVar:DBPump:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:TrigDestroy:DB$ Destroy | ValidTgts$ Artifact.ControlledBy TriggeredDefendingPlayer | TgtPrompt$ Select target artifact | SubAbility$ DBNoCombatDamage
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 Oracle:Whenever Floral Spuzzem attacks and isn't blocked, you may destroy target artifact defending player controls. If you do, Floral Spuzzem assigns no combat damage this turn.

forge-gui/res/cardsfolder/g/gaze_of_pain.txt

@@ -3,8 +3,9 @@ ManaCost:1 B
 Types:Sorcery
 A:SP$ Effect | Triggers$ TrigAttackerUnblocked | SpellDescription$ Until end of turn, whenever a creature you control attacks and isn't blocked, you may choose to have it deal damage equal to its power to a target creature. If you do, it assigns no combat damage this turn.
 SVar:TrigAttackerUnblocked:Mode$ AttackerUnblocked | ValidCard$ Creature.YouCtrl | Execute$ Damage | OptionalDecider$ You | TriggerDescription$ Until end of turn, whenever a creature you control attacks and isn't blocked, you may choose to have it deal damage equal to its power to a target creature. If you do, it assigns no combat damage this turn.
-SVar:Damage:DB$ DealDamage | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumDmg$ X | SubAbility$ DBPump
-SVar:DBPump:DB$ Pump | Defined$ TriggeredAttackerLKICopy | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:Damage:DB$ DealDamage | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumDmg$ X | SubAbility$ DBNoCombatDamage
+SVar:DBNoCombatDamage:DB$ Effect | RememberObjects$ TriggeredAttackerLKICopy | StaticAbilities$ SNoCombatDamage | ForgetOnMoved$ Battlefield
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.IsRemembered | Description$ Remembered creature assigns no combat damage this turn.
 SVar:X:TriggeredAttacker$CardPower
 AI:RemoveDeck:All
 Oracle:Until end of turn, whenever a creature you control attacks and isn't blocked, you may choose to have it deal damage equal to its power to a target creature. If you do, it assigns no combat damage this turn.

forge-gui/res/cardsfolder/g/goblin_vandal.txt

@@ -3,6 +3,7 @@ ManaCost:R
 Types:Creature Goblin Rogue
 PT:1/1
 T:Mode$ AttackerUnblocked | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigDestroy | TriggerDescription$ Whenever CARDNAME attacks and isn't blocked, you may pay {R}. If you do, destroy target artifact defending player controls and CARDNAME assigns no combat damage this turn.
-SVar:TrigDestroy:AB$ Destroy | Cost$ R | ValidTgts$ Artifact.ControlledBy TriggeredDefendingPlayer | TgtPrompt$ Select target artifact defending player controls | SubAbility$ DBPump
-SVar:DBPump:DB$ Pump | Defined$ Self | KW$ HIDDEN CARDNAME assigns no combat damage
+SVar:TrigDestroy:AB$ Destroy | Cost$ R | ValidTgts$ Artifact.ControlledBy TriggeredDefendingPlayer | TgtPrompt$ Select target artifact defending player controls | SubAbility$ DBNoCombatDamage
+SVar:DBNoCombatDamage:DB$ Effect | StaticAbilities$ SNoCombatDamage | Duration$ UntilHostLeavesPlayOrEOT
+SVar:SNoCombatDamage:Mode$ AssignNoCombatDamage | ValidCard$ Card.EffectSource | Description$ EFFECTSOURCE assigns no combat damage this turn.
 Oracle:Whenever Goblin Vandal attacks and isn't blocked, you may pay {R}. If you do, destroy target artifact defending player controls and Goblin Vandal assigns no combat damage this turn.