Velociraptor

Haste, Deathtouch, Bloodthirst 2
Other Dinosaur creatures you control get +0/+1 and Deathtouch.
Whenever a creature an opponent controls dies, put a +1/+1 counter on Velociraptor.
Whenever a Dinosaur creature you control dies, deal 2 damage to target creature, player, or planeswalker.