[BRO] Implement Myrel, Shield of Argive

Mage/src/main/java/mage/abilities/effects/common/ruleModifying/CantCastOrActivateOpponentsYourTurnEffect.java

@@ -0,0 +1,74 @@
+package mage.abilities.effects.common.ruleModifying;
+
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.effects.ContinuousRuleModifyingEffectImpl;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+/**
+ * @author TheElk801
+ */
+public class CantCastOrActivateOpponentsYourTurnEffect extends ContinuousRuleModifyingEffectImpl {
+
+    public CantCastOrActivateOpponentsYourTurnEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "during your turn, your opponents can't cast spells " +
+                "or activate abilities of artifacts, creatures, or enchantments";
+    }
+
+    public CantCastOrActivateOpponentsYourTurnEffect(final CantCastOrActivateOpponentsYourTurnEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public CantCastOrActivateOpponentsYourTurnEffect copy() {
+        return new CantCastOrActivateOpponentsYourTurnEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public String getInfoMessage(Ability source, GameEvent event, Game game) {
+        Player activePlayer = game.getPlayer(game.getActivePlayerId());
+        MageObject mageObject = game.getObject(source);
+        if (activePlayer == null || mageObject == null) {
+            return null;
+        }
+        return "You can't cast spells or activate abilities of artifacts, " +
+                "creatures, or enchantments during the turns of " +
+                activePlayer.getLogName() + " (" + mageObject.getLogName() + ')';
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.CAST_SPELL
+                || event.getType() == GameEvent.EventType.ACTIVATE_ABILITY;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (!game.isActivePlayer(source.getControllerId())
+                || !game.getOpponents(source.getControllerId()).contains(event.getPlayerId())) {
+            return false;
+        }
+        switch (event.getType()) {
+            case CAST_SPELL:
+                return true;
+            case ACTIVATE_ABILITY:
+                Permanent permanent = game.getPermanent(event.getSourceId());
+                return permanent != null
+                        && permanent.isArtifact(game)
+                        || permanent.isCreature(game)
+                        || permanent.isEnchantment(game);
+        }
+        return false;
+    }
+}