Grazing Kelpie is a common Creature — Beast card from Eventide (EVE), collector number 153. Current market price: $0.11 (foil $0.25), TCGplayer market prices via Scryfall.
{G/U}, Sacrifice this creature: Put target card from a graveyard on the bottom of its owner's library. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)