* Guardian Angel - Fixed activated action.

Mage.Sets/src/mage/cards/g/GuardianAngel.java

@@ -28,19 +28,27 @@
 package mage.cards.g;
 
 import java.util.UUID;
-import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.SpecialAction;
 import mage.abilities.costs.mana.GenericManaCost;
-import mage.abilities.dynamicvalue.common.ManacostVariableValue;
+import mage.abilities.effects.ContinuousEffect;
-import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
+import mage.abilities.effects.common.CreateSpecialActionEffect;
 import mage.abilities.effects.common.PreventDamageToTargetEffect;
+import mage.abilities.effects.common.RemoveSpecialActionEffect;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.CardType;
 import mage.constants.Duration;
-import mage.constants.TimingRule;
+import mage.constants.Outcome;
-import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
 import mage.target.common.TargetCreatureOrPlayer;
-import mage.target.targetpointer.FixedTarget;
 
 /**
  *
@@ -50,20 +58,10 @@ public class GuardianAngel extends CardImpl {
 
     public GuardianAngel(UUID ownerId, CardSetInfo setInfo) {
         super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{X}{W}");
-        
 
         // Prevent the next X damage that would be dealt to target creature or player this turn. Until end of turn, you may pay {1} any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that creature or player this turn.
-        ManacostVariableValue manaX = new ManacostVariableValue();
+        this.getSpellAbility().addEffect(new GuardianAngelEffect());
-        Effect effect = new PreventDamageToTargetEffect(Duration.EndOfTurn, false, true, manaX);
-        effect.setText("Prevent the next X damage that would be dealt to target creature or player this turn.");
-        this.getSpellAbility().addEffect(effect);
         this.getSpellAbility().addTarget(new TargetCreatureOrPlayer());
-        Effect effect2 = new PreventDamageToTargetEffect(Duration.EndOfTurn, 1);
-        effect2.setTargetPointer(new FixedTarget(this.getSpellAbility().getFirstTarget()));
-        effect2.setText(" Until end of turn, you may pay {1} any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that creature or player this turn.");
-        SimpleActivatedAbility ability = new SimpleActivatedAbility(Zone.ALL, effect2, new GenericManaCost(1));
-        ability.setTiming(TimingRule.INSTANT);
-        this.addAbility(ability);
     }
 
     public GuardianAngel(final GuardianAngel card) {
@@ -75,3 +73,96 @@ public class GuardianAngel extends CardImpl {
         return new GuardianAngel(this);
     }
 }
+
+class GuardianAngelEffect extends OneShotEffect {
+
+    public GuardianAngelEffect() {
+        super(Outcome.Benefit);
+        this.staticText = "Prevent the next X damage that would be dealt to target creature or player this turn. Until end of turn, you may pay {1} any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that creature or player this turn";
+    }
+
+    public GuardianAngelEffect(final GuardianAngelEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GuardianAngelEffect copy() {
+        return new GuardianAngelEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller != null) {
+            String targetName = "";
+            Player targetPlayer = game.getPlayer(getTargetPointer().getFirst(game, source));
+            if (targetPlayer == null) {
+                Permanent targetPermanent = game.getPermanent(getTargetPointer().getFirst(game, source));
+                if (targetPermanent == null) {
+                    return true;
+                }
+                targetName = targetPermanent.getIdName();
+            } else {
+                targetName = "player " + targetPlayer.getName();
+            }
+            ContinuousEffect effect = new PreventDamageToTargetEffect(Duration.EndOfTurn, source.getManaCostsToPay().getX(), false);
+            effect.setTargetPointer(getTargetPointer());
+            game.addEffect(effect, source);
+            SpecialAction specialAction = new GuardianAngelAction();
+            specialAction.getEffects().get(0).setTargetPointer(getTargetPointer());
+            specialAction.getEffects().get(0).setText("Prevent the next 1 damage that would be dealt to target creature or player this turn (" + targetName + ").");
+            new CreateSpecialActionEffect(specialAction).apply(game, source);
+            // Create a hidden delayed triggered ability to remove the special action at end of turn.
+            new CreateDelayedTriggeredAbilityEffect(new GuardianAngelDelayedTriggeredAbility(specialAction.getId()), false).apply(game, source);
+            return true;
+
+        }
+        return false;
+    }
+}
+
+class GuardianAngelAction extends SpecialAction {
+
+    GuardianAngelAction() {
+        super();
+        this.addCost(new GenericManaCost(1));
+        this.addEffect(new PreventDamageToTargetEffect(Duration.EndOfTurn, 1));
+    }
+
+    GuardianAngelAction(final GuardianAngelAction ability) {
+        super(ability);
+    }
+
+    @Override
+    public GuardianAngelAction copy() {
+        return new GuardianAngelAction(this);
+    }
+}
+
+class GuardianAngelDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    GuardianAngelDelayedTriggeredAbility(UUID specialActionId) {
+        super(new RemoveSpecialActionEffect(specialActionId), Duration.OneUse);
+        this.usesStack = false;
+        this.setRuleVisible(false);
+    }
+
+    GuardianAngelDelayedTriggeredAbility(GuardianAngelDelayedTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public GuardianAngelDelayedTriggeredAbility copy() {
+        return new GuardianAngelDelayedTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == EventType.CLEANUP_STEP_PRE;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return true;
+    }
+}