[EOE] implement Anticausal Vestige

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

@@ -0,0 +1,51 @@
+package mage.abilities.keyword;
+
+import mage.abilities.SpellAbility;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.cards.Card;
+import mage.constants.SpellAbilityType;
+import mage.constants.TimingRule;
+
+/**
+ * @author TheElk801
+ */
+public class WarpAbility extends SpellAbility {
+
+    public static final String WARP_ACTIVATION_VALUE_KEY = "warpActivation";
+
+    public WarpAbility(Card card, String manaString) {
+        super(new ManaCostsImpl<>(manaString), card.getName() + " with Warp");
+        this.spellAbilityType = SpellAbilityType.BASE_ALTERNATE;
+        this.setAdditionalCostsRuleVisible(false);
+        this.timing = TimingRule.SORCERY;
+    }
+
+    private WarpAbility(final WarpAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public WarpAbility copy() {
+        return new WarpAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        StringBuilder sb = new StringBuilder("Warp");
+        if (getCosts().isEmpty()) {
+            sb.append(' ');
+        } else {
+            sb.append("&mdash;");
+        }
+        sb.append(getManaCosts().getText());
+        if (!getCosts().isEmpty()) {
+            sb.append(", ");
+            sb.append(getCosts().getText());
+            sb.append('.');
+        }
+        sb.append(" <i>(You may cast this card from your hand for its warp cost. ");
+        sb.append("Exile this creature at the beginning of the next end step, ");
+        sb.append("then you may cast it from exile on a later turn.)</i>");
+        return sb.toString();
+    }
+}