Grazing Kelpie

Grazing Kelpie

Creature - Beast | Power/Toughness: 2 / 3 (CMC 4)
, Sacrifice Grazing Kelpie: 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.)