Myojin of Night's Reach and Grim Betrayal is a rare Legendary Creature — Spirit card from Unknown Event (UNK), collector number RB08. Current market price: $25.00, TCGplayer market prices via Scryfall.
Myojin of Night's Reach and Grim Betrayal enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Night's Reach and Grim Betrayal: Each opponent discards their hand. Put onto the battlefield under your control all creature cards in all graveyards that were put there from anywhere this turn.