Steelbane Hydra is a rare Creature — Turtle Hydra card from Throne of Eldraine (ELD), collector number 322. Current market price: $2.74, TCGplayer market prices via Scryfall.
This creature enters with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from this creature: Destroy target artifact or enchantment.