Blight Herder is a rare Creature — Eldrazi Processor card from Battle for Zendikar Promos (PBFZ), collector number 2. Current market price: — (foil $0.37), TCGplayer market prices via Scryfall.
When you cast this spell, you may put two cards your opponents own from exile into their owners' graveyards. If you do, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this token: Add {C}."