Mnemonic Betrayal [Guilds of Ravnica] Avatar 0: Create a 2/2 white

0: Create a 2/2 white Knight Ally creature token

You gain 3 life

{R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn

and the carpet carried her high out of our reach

abandon this scheme

Mnemonic Betrayal [Guilds of Ravnica] Avatar 0: Create a 2/2 whiteSet: Guilds of Ravnica Type: Sorcery 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.