Pumpking the King of Ghosts

Add a +1/+1 counter for every zombie, plant,
and spirit creature in all graveyards, and a +1/+1
counter for every zombie, plant, and spirit
creature under your control.
Add a +1/+1 counter every turn if you control
Castle of Dark Illusions.
Zombie, plant, and spirit creatures you control
gain +2/+2.