Mnemonic Betrayal [Guilds of Ravnica] Djinn Set: Portal Type: Instant Rarity:

Set: Portal Type: Instant Rarity: Rare Cost: {2}{W} Cast this spell only during the declare attackers step and only if you've been attacked this step

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

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

Set: Aether Revolt Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {6} Whenever Gonti's Aether Heart or another artifact enters the battlefield under your control

Set: Urza's Saga Type: Creature — Whale Rarity: Rare Cost: {5}{U}{U} When Great Whale enters the battlefield

Mnemonic Betrayal [Guilds of Ravnica] Djinn Set: Portal Type: Instant Rarity: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.