Ermac, Fusion of Souls

Flying

Telekinetic Slam {1}{u}{t}: Tap target creature. That creature's controller loses 2 life.

We Are Many -Whenever another creature dies, you may exile it. If you do, each opponent loses 1 life and you gain 1 life.

Soul Link - Whenever Ermac does combat damage to a player, you gain 2 life

"We are Ermac"