Eldracoth stealer of the spark

+1 target one creature. If it is an eldrazi, Control that creature until this effect is used again. If it is not, exile it.
-4 opponent exiles the top 1/3 of their deck and 1/2 of their graveyard
-10 opponent gets an emblem with “ all tapped permanents you control at the end of each end faze are exiled”