[FIN] Implement Raubahn, Bull of Ala Mhigo

Mage/src/main/java/mage/abilities/effects/common/AttachTargetToTargetEffect.java

@@ -0,0 +1,55 @@
+package mage.abilities.effects.common;
+
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.targetpointer.EachTargetPointer;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * @author TheElk801
+ */
+public class AttachTargetToTargetEffect extends OneShotEffect {
+
+    public AttachTargetToTargetEffect() {
+        super(Outcome.BoostCreature);
+        this.setTargetPointer(new EachTargetPointer());
+    }
+
+    private AttachTargetToTargetEffect(final AttachTargetToTargetEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public AttachTargetToTargetEffect copy() {
+        return new AttachTargetToTargetEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        List<Permanent> permanents = this.getTargetPointer()
+                .getTargets(game, source)
+                .stream()
+                .map(game::getPermanent)
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+        return permanents.size() >= 2 && permanents.get(1).addAttachment(permanents.get(0).getId(), source, game);
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText != null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        if (mode.getTargets().size() != 2) {
+            throw new IllegalStateException("It must have two targets, but found " + mode.getTargets().size());
+        }
+        return "attach " + mode.getTargets().get(0).getDescription() + " to " + mode.getTargets().get(0).getDescription();
+    }
+}