Eirknun, Servant of Dagon

+2: Eirkhnun becomes a copy of target creature until end of turn. He gains indestructible until end of turn.
-X: Target player puts the top X cards of their library into their graveyard. Then they lose 1 life for every creature card in their graveyard.
-10: Target player gets an emblem with: "Creatures you control don't untap during your untap step. Pay X life: Untap target creature with power X."