Myojin of Grim Betrayal is a rare Legendary Creature — Spirit card from Neon Dynasty Commander (NEC), collector number 55. Current market price: $0.34, TCGplayer market prices via Scryfall.
Myojin of Grim Betrayal enters with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Grim Betrayal: Put onto the battlefield under your control all creature cards in all graveyards that were put there from anywhere this turn.