At the beginning of your upkeep, put a spore counter on Thallid Devourer. Remove three spore counters from Thallid Devourer: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Thallid Devourer gets +1/+2 until end of turn.
NM-Mint - $0.50
Lightly Played - $0.45
Moderately Played - $0.40
Heavily Played - $0.35
Damaged - $0.25
NM-Mint Non English - $0.50
Lightly Played Non English - $0.45
Moderately Played Non English - $0.40
Heavily Played Non English - $0.35
Damaged Non English - $0.25