The black Witch/O5-10

Shroud, HexProof, First strike, death touch, Indestructible.
{r}{b}{2}{t} You play an opponent's next turn; this ability can't be countered.
{b}{w}{r}{g}{u}{6}{t} If you control all council members, you win the game.
Whenever you cast a non-creature spell, you may scry the top 10 cards and put into your hand five cards.
Shuffle your library after.
"War, Death, Strife, we deal with these daily. We shall stand in the way of war and strike down upon death's hand."O5-10