Sporesower Thallid is a uncommon Creature — Fungus card from Time Spiral Remastered (TSR), collector number 231. Current market price: $0.28 (foil $0.69), TCGplayer market prices via Scryfall.
At the beginning of your upkeep, put a spore counter on each Fungus you control. Remove three spore counters from this creature: Create a 1/1 green Saproling creature token.