Murk Strider is a common Creature — Eldrazi Processor card from Battle for Zendikar (BFZ), collector number 62. Current market price: $0.06 (foil $0.13), TCGplayer market prices via Scryfall.
Devoid (This card has no color.) When this creature enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target creature to its owner's hand.