Yedora, Grave Gardener is a rare Legendary Creature — Treefolk Druid card from Murders at Karlov Manor Commander (MKC), collector number 197. Current market price: $0.30, TCGplayer market prices via Scryfall.
Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. (It has no other types or abilities.)