implement [TDM] All-Out Assault (#13512)

- new main phase condition
- Added when you attack delayed triggered ability

Mage/src/main/java/mage/abilities/common/delayed/WhenYouAttackDelayedTriggeredAbility.java

@@ -0,0 +1,49 @@
+package mage.abilities.common.delayed;
+
+import java.util.UUID;
+
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.effects.Effect;
+import mage.constants.Duration;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+/**
+ * @author androosss
+ */
+public class WhenYouAttackDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    public WhenYouAttackDelayedTriggeredAbility(Effect effect) {
+        this(effect, Duration.EndOfTurn);
+    }
+
+    public WhenYouAttackDelayedTriggeredAbility(Effect effect, Duration duration) {
+        this(effect, duration, false);
+    }
+
+    public WhenYouAttackDelayedTriggeredAbility(Effect effect, Duration duration, boolean triggerOnlyOnce) {
+        super(effect, duration, triggerOnlyOnce);
+        setTriggerPhrase((triggerOnlyOnce ? "When you next" : "Whenever you") + " attack"
+                + (duration == Duration.EndOfTurn ? " this turn, " : ", "));
+    }
+
+    protected WhenYouAttackDelayedTriggeredAbility(final WhenYouAttackDelayedTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public WhenYouAttackDelayedTriggeredAbility copy() {
+        return new WhenYouAttackDelayedTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DECLARED_ATTACKERS;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        UUID attackerId = game.getCombat().getAttackingPlayerId();
+        return attackerId != null && attackerId.equals(getControllerId()) && !game.getCombat().getAttackers().isEmpty();
+    }
+}