Whir of Invention [Aether Revolt Prerelease Promos] Mythic Rather than sheltering her young

Rather than sheltering her young

Both complement and antithesis to his older brother Urza

Her diligence in pursuing both is her greatest asset

Mephidross filled with roars of fury and wails of despair as the leonin fought to keep their memories from being pulled into the mists

Kozilek's Return deals 2 damage to each creature

Whir of Invention [Aether Revolt Prerelease Promos] Mythic Rather than sheltering her youngSet: 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.