Mnemonic Betrayal [Guilds of Ravnica] RT1 Set: Black & White: Plasma

Set: Black & White: Plasma Blast Type: Water Rarity: Rare Retreat cost: Colorless

Set: Sun & Moon: Guardians Rising Type: Lightning Rarity: Secret Rare Retreat cost: Colorless

Set: Planechase 2012 Type: Legendary Creature — Human Ninja Rarity: Rare Cost: {3}{U}{U} Ninjutsu {2}{U}{U} ({2}{U}{U}

Valor's Reach has it all

Set: Diamond & Pearl: Majestic Dawn Type: Fire Rarity: Rare Retreat cost: Colorless

Mnemonic Betrayal [Guilds of Ravnica] RT1 Set: Black & White: PlasmaSet: Guilds of Ravnica Type: Sorcery Rarity: Mythic Cost: {1}{U}{B} Exile all cards from 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.