Thallid Germinator is a common Creature — Fungus card from Time Spiral Remastered (TSR), collector number 236. Current market price: $0.35 (foil $0.46), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, put a spore counter on this creature. Remove three spore counters from this creature: Create a 1/1 green Saproling creature token. Sacrifice a Saproling: Target creature gets +1/+1 until end of turn.