Trent God Of Oblivion EV.

Devoid
Deathtouch, Lifelink, Firststrike

Play this creature onto Trent for the rest of the game. It's mana value is {w/b}{w/b}{c} for the rest of the game.

At the beginning of the end step, double your life total. Then each opponent takes damage equal to half the life you gained this way.