Mnemonic Betrayal [Guilds of Ravnica] Core Set 2019 Few of Rath's rivers follow

Few of Rath's rivers follow a steady course

Set: Alliances Type: Instant Rarity: Uncommon Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

Set: Shadows over Innistrad Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {5} At the beginning of your upkeep

you may pay {1}{G}{W}

Mnemonic Betrayal [Guilds of Ravnica] Core Set 2019 Few of Rath's rivers followSet: 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.