Reaper King is a rare Legendary Artifact Creature — Scarecrow card from Shadowmoor (SHM), collector number 260. Current market price: $12.64 (foil $58.81), TCGplayer market prices via Scryfall.
({2/W} can be paid with any two mana or with {W}. This card's mana value is 10.) Other Scarecrow creatures you control get +1/+1. Whenever another Scarecrow you control enters, destroy target permanent.