Strixhaven Stadium [Strixhaven: School of Mages Prerelease Promos]Set: Strixhaven: School of Mages Prerelease Promos Type: Artifact Rarity: Rare Cost: {3} {T}: Add {C}. Put a point counter on Strixhaven Stadium. Whenever a creature deals combat damage to you, remove a point counter from Strixhaven Stadium. Whenever a creature you control deals combat damage to an opponent, put a point counter on Strixhaven Stadium. Then if it has ten or more point counters on it, remove them all and that player loses the game.