The Grudge Bear

{b},{t}: For each Bear in your graveyard with
Power and Toughness 2/2, put a 2/2 black and
green Bear Zombie creature token with Haste
onto the battlefield under your control.
Sacrifice them at the end of this phase.
{g},{t}: For each Bear in your graveyard with
Power and Toughness 2/2, each Bear you control
with original Power and Toughness 2/2 gains
+2/+2 and Trample until end of turn.