Wistfulness (ECL-252) - Lorwyn Eclipsed Foil

When this creature enters, if GG was spent to cast it, exile target artifact or enchantment an opponent controls.

When this creature enters, if UU was spent to cast it, draw two cards, then discard a card.

Evoke (G/U)(G/U) (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)