Ghor'zha, the Kavu King

Trample
Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays for
1 or one mana of that creature's color.)
When Ghor'zha, the Kavu King enters the battlefield, it deals 1 damage to each other
creature.
Whenever an opponent gains or loses life, put a
+1/+1 counter on Ghor'zha, the Kavu King.