Mnemonic Betrayal [Guilds of Ravnica] Innistrad you might as well trade

you might as well trade it for something else

put all cards exiled with Gustha's Scepter into their owner's graveyard

Sword of Fire and Ice deals 2 damage to any target and you draw a card

{T}: Crimson Manticore deals 1 damage to target attacking or blocking creature

then shuffle your library

Mnemonic Betrayal [Guilds of Ravnica] Innistrad you might as well tradeSet: 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.