Regenerating Mass

Growth {4}{g} ({4}{g}: place a +1/+1 counter onto
this creature. Activate this ability only as a
sorcery).
Whenever another creature you control activates
a Growth ability, place a +1/+1 counter on Regenerating Mass.
Remove 3 +1/+1 counters from Regenerating
Mass: Regenerating Mass gains indestructible
until end of turn.