Nicol Bolas

Flying, Haste.
At the beginning of your endstep, exile Nicol
Bolas unless you pay {u}{b}{r}.
If Nicol Bolas is exiled, all opponents take 7
damage.
{g}{g}: Nicol Bolas gains +2/+1 and
Trample until end of turn.
{8}{u}{b}{b}{r}: return Nicol Bolas to the battlefield
from Exile.