Wren's Run Hydra is a uncommon Creature — Hydra card from Modern Horizons 2 (MH2), collector number 183. Current market price: $0.30 (foil $0.49), TCGplayer market prices via Scryfall.
Reach This creature enters with X +1/+1 counters on it. Reinforce X—{X}{G}{G} ({X}{G}{G}, Discard this card: Put X +1/+1 counters on target creature.)