Karak, Awakened Summoner

{t}: Put a +1/+1 counter on target Zombie you
control. Put a loyalty counter on Karak,
Awakened Summoner.
{t}, Remove a loyalty counter from Karak: Create
a 2/2 Zombie creature token.
{t}, Remove 4 loyalty counters from Karak:
Destroy up to 3 target creatures.