Dryad Militant is a uncommon Creature — Dryad Soldier card from Return to Ravnica Promos (PRTR), collector number 214. Current market price: $0.60, TCGplayer market prices via Scryfall.
({G/W} can be paid with either {G} or {W}.) If an instant or sorcery card would be put into a graveyard from anywhere, exile it instead.