Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos If that spell would be

If that spell would be put into a graveyard this turn

For our queen

Sacrifice that creature at the beginning of the next end step

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

Citanul elder

Whir of Invention [Aether Revolt Promos] Shadows over Innistrad Prerelease Promos If that spell would beSet: 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.