Erevan the Pur(ifi)e(r)

Vigilance, Trample
{1}{w}: Erevan gains +2/+1 until he slays a creature controlled by an opponent.
{t}, {w}{w}: Gerald The Great is indestructible until your next upkeep.
"We used to thank the Gods, then we realized it was much safer to just thank Erevan."
- R.U.C.K.U.S.