Mnemonic Betrayal [Guilds of Ravnica] SM151 If this card is in

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

"How easily your flames are quenched

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

Defense: 3000 1 Tuner + 1 or more non-Tuner monsters If this card is Synchro Summoned: It gains 800 ATK for each card currently in your hand

Then return the same number of cards from the field to the hand

Mnemonic Betrayal [Guilds of Ravnica] SM151 If this card is inSet: 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.