Mnemonic Betrayal [Guilds of Ravnica] SM151 and white at the beginning

and white at the beginning of your next upkeep

Set: Duel Terminal 5 Card type: Tuner Monster Rarity: Common Attack: 1200 Defense: 400 When this card is selected as an attack target

but I knew it weren't no ordinary hunk o' rock

If this card is in your GY (Quick Effect): You can Tribute 1 Level 1 monster

Mnemonic Betrayal [Guilds of Ravnica] SM151 and white at the beginningSet: 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.