Ramattra, The Revolutionary

Lifelink, Bloodthirsty 4, Absorb 7, Vigilance
Whenever Ramattra, The Revolutionary enters the battlefield, it gets +5/+5 and has Wither until end of turn.
Whenever a creature an opponent controls dies, Ramattra gets +2/+1 until end of turn.
Whenever another creature you control dies, each opponent loses 2 life.