[TMT] Implement Kitsune's Technique (#14297)

Mage.Sets/src/mage/cards/k/KitsunesTechnique.java

@@ -0,0 +1,37 @@
+package mage.cards.k;
+
+import java.util.UUID;
+
+import mage.abilities.effects.common.MillHalfLibraryTargetEffect;
+import mage.abilities.keyword.SneakAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.target.common.TargetOpponent;
+
+/**
+ *
+ * @author muz
+ */
+public final class KitsunesTechnique extends CardImpl {
+
+    public KitsunesTechnique(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{4}{U}{U}");
+
+        // Sneak {1}{U}
+        this.addAbility(new SneakAbility(this, "{1}{U}"));
+
+        // Target opponent mills half their library, rounded up.
+        this.getSpellAbility().addEffect(new MillHalfLibraryTargetEffect(true));
+        this.getSpellAbility().addTarget(new TargetOpponent());
+    }
+
+    private KitsunesTechnique(final KitsunesTechnique card) {
+        super(card);
+    }
+
+    @Override
+    public KitsunesTechnique copy() {
+        return new KitsunesTechnique(this);
+    }
+}