Wormwood Dryad is a common Creature — Dryad card from Time Spiral (TSP), collector number 233. Current market price: $0.09 (foil $0.20), TCGplayer market prices via Scryfall.
{G}: This creature gains forestwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Forest.) {B}: This creature gains swampwalk until end of turn and deals 1 damage to you. (It can't be blocked as long as defending player controls a Swamp.)