Wight of the Reliquary is a rare Creature — Zombie Knight card from Secrets of Strixhaven Commander (SOC), collector number 338. Current market price: $0.47, TCGplayer market prices via Scryfall.
Vigilance This creature gets +1/+1 for each creature card in your graveyard. {T}, Sacrifice another creature: Search your library for a land card, put it onto the battlefield tapped, then shuffle.