[40K] Implemented Ravener

Mage/src/main/java/mage/abilities/effects/common/combat/MustAttackOpponentWithCreatureTargetEffect.java

@@ -0,0 +1,51 @@
+package mage.abilities.effects.common.combat;
+
+import mage.abilities.Ability;
+import mage.abilities.effects.RequirementEffect;
+import mage.constants.Duration;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.Target;
+
+import java.util.Optional;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public class MustAttackOpponentWithCreatureTargetEffect extends RequirementEffect {
+
+    public MustAttackOpponentWithCreatureTargetEffect() {
+        super(Duration.EndOfTurn);
+        staticText = "target creature attacks target opponent this turn if able";
+    }
+
+    private MustAttackOpponentWithCreatureTargetEffect(final MustAttackOpponentWithCreatureTargetEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public MustAttackOpponentWithCreatureTargetEffect copy() {
+        return new MustAttackOpponentWithCreatureTargetEffect(this);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        return this.getTargetPointer().getTargets(game, source).contains(permanent.getId());
+    }
+
+    @Override
+    public boolean mustAttack(Game game) {
+        return true;
+    }
+
+    @Override
+    public boolean mustBlock(Game game) {
+        return false;
+    }
+
+    @Override
+    public UUID mustAttackDefender(Ability source, Game game) {
+        return Optional.ofNullable(source.getTargets().get(1)).map(Target::getFirstTarget).orElse(null);
+    }
+}