Mnemonic Betrayal [Guilds of Ravnica] Gatecrash you create a 2/2 green

you create a 2/2 green Wolf creature token and that player mills ten cards

Set: Eldritch Moon Prerelease Promos Type: Legendary Creature — Human Werewolf Rarity: Mythic Cost: {3}{R}{G} Whenever this creature enters the battlefield or transforms into Ulrich of the Krallenhorde

Remove a +1/+1 counter from Spike Feeder: Put a +1/+1 counter on target creature

Threshold — As long as seven or more cards are in your graveyard

search that player's library for all cards with the same name as that card and exile them

Mnemonic Betrayal [Guilds of Ravnica] Gatecrash you create a 2/2 greenSet: 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.