Emrakul, Zendikar Santa

+3: Create a colorless Gift artifact token with "sacrifie this artifact add {1} to your mana pool".
-3: Destroy target tapped creature, then create colorless Gift artifact token with "sacrifie this artifact add {1} to your mana pool".
-17: Exile all Gifts then put a 3/3 colorless Eldrazi Christmas Surprice token for each Gift exiled this way.