[ONE] Implement Ezuri, Stalker of Spheres

Mage/src/main/java/mage/abilities/common/ProliferatedControllerTriggeredAbility.java

@@ -0,0 +1,45 @@
+package mage.abilities.common;
+
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+
+/**
+ * @author TheElk801
+ */
+public class ProliferatedControllerTriggeredAbility extends TriggeredAbilityImpl {
+
+    public ProliferatedControllerTriggeredAbility(Effect effect) {
+        this(effect, false);
+    }
+
+    public ProliferatedControllerTriggeredAbility(Effect effect, boolean optional) {
+        this(Zone.BATTLEFIELD, effect, optional);
+    }
+
+    public ProliferatedControllerTriggeredAbility(Zone zone, Effect effect, boolean optional) {
+        super(zone, effect, optional);
+        setTriggerPhrase("Whenever you proliferate, ");
+    }
+
+    private ProliferatedControllerTriggeredAbility(final ProliferatedControllerTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.PROLIFERATED;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        return isControlledBy(event.getPlayerId());
+    }
+
+    @Override
+    public ProliferatedControllerTriggeredAbility copy() {
+        return new ProliferatedControllerTriggeredAbility(this);
+    }
+}