Mnemonic Betrayal [Guilds of Ravnica] Aura Set: Oath of the Gatewatch

Set: Oath of the Gatewatch Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{X}{R} Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn

Set: Rivals of Ixalan Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Choose one —

Sacrifice Pernicious Deed: Destroy each artifact

Whenever Alesha

When enchanted creature dies

Mnemonic Betrayal [Guilds of Ravnica] Aura Set: Oath of the GatewatchSet: Guilds of Ravnica Type: Sorcery Rarity: Mythic Cost: {1}{U}{B} Exile all opponents' graveyards. You may cast spells from among those cards this turn, and you may spend mana as though it were mana of any type to cast those spells. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards. Exile Mnemonic Betrayal.