Hooded Hydra is a mythic Creature — Snake Hydra card from Murders at Karlov Manor Commander (MKC), collector number 171. Current market price: $0.62, TCGplayer market prices via Scryfall.
This creature enters with X +1/+1 counters on it. When this creature dies, create a 1/1 green Snake creature token for each +1/+1 counter on it. Morph {3}{G}{G} As this creature is turned face up, put five +1/+1 counters on it.