Mnemonic Betrayal [Guilds of Ravnica] SM151 Set: Time Spiral Timeshifted Type:

Set: Time Spiral Timeshifted Type: Creature — Zombie Rarity: Rare Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

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

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 Set: Time Spiral Timeshifted Type:Set: 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.