[SOI] Added Skulk Ability.

Mage/src/main/java/mage/abilities/keyword/SkulkAbility.java

@@ -0,0 +1,68 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mage.abilities.keyword;
+
+import mage.abilities.Ability;
+import mage.abilities.StaticAbility;
+import mage.abilities.effects.RestrictionEffect;
+import mage.constants.Duration;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+/**
+ *
+ * @author LevelX2
+ */
+public class SkulkAbility extends StaticAbility {
+
+    public SkulkAbility() {
+        super(Zone.BATTLEFIELD, new SkulkEffect(Duration.WhileOnBattlefield));
+    }
+
+    public SkulkAbility(final SkulkAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public Ability copy() {
+        return new SkulkAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Skulk <i>(This creature can't be blocked by creatures with greater power.)</i>";
+    }
+
+}
+
+class SkulkEffect extends RestrictionEffect {
+
+    public SkulkEffect(Duration duration) {
+        super(duration);
+        staticText = "Skulk <i>(This creature can't be blocked by creatures with greater power.)</i>";
+    }
+
+    public SkulkEffect(final SkulkEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        return !permanent.getControllerId().equals(source.getControllerId());
+    }
+
+    @Override
+    public boolean canBeBlocked(Permanent attacker, Permanent blocker, Ability source, Game game) {
+        return blocker.getId().equals(source.getSourceId())
+                && blocker.getPower().getValue() >= attacker.getPower().getValue();
+    }
+
+    @Override
+    public SkulkEffect copy() {
+        return new SkulkEffect(this);
+    }
+}