Mnemonic Betrayal [Guilds of Ravnica] Djinn Set: Mirrodin Type: Creature —

Set: Mirrodin Type: Creature — Goblin Shaman Rarity: Common Cost: {R} Sacrifice an artifact: Krark-Clan Shaman deals 1 damage to each creature without flying

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

Set: Archenemy Type: Legendary Artifact Creature — Wizard Rarity: Rare Cost: {7} {1}{U}{U}: Target permanent becomes an artifact in addition to its other types

the lowly prowl

Mnemonic Betrayal [Guilds of Ravnica] Djinn Set: Mirrodin Type: Creature —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.