Emrakul, Returned

Emrakul, Returned can't be countered.
When you cast Emrakul, Returned gain control
of target opponent during that player's next turn.
Flying, Indestructible, Trample, Protection
from colored spells and instants, Annihilator 5
{x}: Gain control of target creature with
converted mana cost {x}, it is an Eldrazi
horror in addition to its other types.