Mirage Mirror [Hour of Devastation Prerelease Promos] Penny But where is the source

But where is the source

Set: Future Sight Type: Artifact Rarity: Rare Cost: {3} Whenever you cast a spell

Set: Khans of Tarkir Prerelease Promos Type: Legendary Creature — Human Monk Rarity: Mythic Cost: {3}{U}{R}{W} First strike

Set: Ninth Edition Type: Instant Rarity: Rare Cost: {2}{G} All lands become 2/2 creatures until end of turn

Whenever a creature token you control dies

Mirage Mirror [Hour of Devastation Prerelease Promos] Penny But where is the sourceSet: Hour of Devastation Prerelease Promos Type: Artifact Rarity: Rare Cost: {3} {2}: Mirage Mirror becomes a copy of target artifact, creature, enchantment, or land until end of turn. Most mirrors show your reflection. Others show your potential.