Whir of Invention [Aether Revolt Prerelease Promos] Jace You may banish it

You may banish it

that source deals that damage to you instead

Repeat this process until no one pays life

{T}: Create a 2/2 colorless Assembly-Worker artifact creature token

Then look at the exiled cards and put them on top of your library in any order

Whir of Invention [Aether Revolt Prerelease Promos] Jace You may banish itSet: 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.