Whir of Invention [Aether Revolt Prerelease Promos] Trainer Mishra listened well to her

Mishra listened well to her lessons on clarity of purpose

Set: Shadowmoor Type: Creature — Bird Rarity: Rare Cost: {5}{W}{W} Flying

is dealt damage

Set: Commander 2014 Type: Instant Rarity: Rare Cost: {1}{U} Return target nonland permanent you don't control to its owner's hand

Phasing (This phases in or out before you untap during each of your untap steps

Whir of Invention [Aether Revolt Prerelease Promos] Trainer Mishra listened well to herSet: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.