Decaying Undergrowth

Sporetoucch, Provoke
On your upkeep, put a spore counter on Decaying
Undergrowth.
Remove three spore counters from Decaying Undergrowth: Create a 1/1 saproling. Then, put
a decay counter on target permanent.
Sacrifice a saproling: Target creature gets -X/-X
until end of turn, where X is the number of
fungus and saprolings in play.