Oran-Rief Hydra is a rare Creature — Hydra card from Duel Decks: Nissa vs. Ob Nixilis (DDR), collector number 16. Current market price: $0.50, TCGplayer market prices via Scryfall.
Trample Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature. If that land is a Forest, put two +1/+1 counters on this creature instead.