Mnemonic Betrayal [Guilds of Ravnica] Planechase Set: Avacyn Restored Type: Enchantment

Set: Avacyn Restored Type: Enchantment Rarity: Rare Cost: {1}{G}{G} Whenever a creature you control attacks

Set: Gateway 2007 Type: Creature — Elf Druid Rarity: Rare Cost: {G} {T}: Add {G}

−4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control

Set: Ravnica: City of Guilds Type: Artifact Rarity: Rare Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control

prevent all damage that would be dealt to you

Mnemonic Betrayal [Guilds of Ravnica] Planechase Set: Avacyn Restored Type: EnchantmentSet: 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.