Gather The Swarm

At the beginning of your upkeep, if you have 20 non-token creatures in your graveyard or battlefield place a mystery counter on Gather The Swarm.

At the beginning of each opponent’s end step, if they cast a creature spell this turn place a reveal counter on Gather The Swarm

Dug Up 12
Burried 20

{6}: Immediately place 20 reveal counters on Gather The Swarm. Create 4 1/1 insect creature tokens with every color.