Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos Whether they hail from the

Whether they hail from the dark days of the Horus Heresy or turned traitor more recently

- Illustrated examples of Questor Imperialis heraldry and its application

Sacrifice that creature at the beginning of the next end step

And yea he doth spake: "Let there be Magic

who is distinguished by his bare head

Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos Whether they hail from theSet: Aether Revolt 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.