Wistfulness Finish:Nonfoil You may cast the artifact

You may cast the artifact later from exile

Flying At the beginning of combat on your turn

then you may put a permanent card with mana value less than or equal to the number of lands you control from your hand onto the battlefield tapped

reveal cards from the top of your library until you reveal an Aura card

Whenever you sacrifice a black creature

Wistfulness Finish:Nonfoil You may cast the artifactWhen this creature enters, if {G}{G} was spent to cast it, exile target artifact or enchantment an opponent controls. When this creature enters, if {U}{U} 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.)