Sunken - Jelly Cave

All Sunken Creatures get +1/+1. If Sunken -
Jelly Cave is destroyed, put 2 +1/+1 counters on
all Creatures you control.
"There were hundreds, maybe thousands. It went on
and on, never seeming to end. I almost got shocked by
one of the little buggers."
—Pharrell Mellor, Marine Biologist