Mire Triton is a uncommon Creature — Zombie Merfolk card from Jumpstart 2022 (J22), collector number 443. Current market price: $0.31, TCGplayer market prices via Scryfall.
Deathtouch When this creature enters, mill two cards and you gain 2 life. (To mill two cards, put the top two cards of your library into your graveyard.)