Vitaspore Thallid is a common Creature — Fungus card from Planar Chaos (PLC), collector number 143. Current market price: $0.33 (foil $4.62), 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 gains haste until end of turn.