Call Up Emrakul to Help (UNK-RC07A) - Unknown Event

Kicker (You may pay an additional as you cast this spell.)
Exile target nonland permanent. Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ." If Call Up Emrakul to Help was kicked, instead create a token that's a copy of Emrakul, the Promised End.