Thallid Devourer

During your upkeep, put a spore counter on Thallid Devourer.
{0}: Remove three spore counters from
Thallid Devourer. Create a 1/1 green Saproling creature token.
{0}: Sacrifice a Saproling. Thallid Devourer gains +1/+2 until the end of the turn.