Whir of Invention Tweet English, Near Mint, limit 12 $0.79 / $1.19 credit Buy This Product Details Artist: Christine Choi Card Number: 049/184 Card Text: 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 converted mana cost X or less, put it onto the battlefield, then shuffle your library. Card Type: Instant Color: Blue Cost: XUUU Finish: Regular Name: Whir of Invention Rarity: R Set Name: Mystery Booster - Aether Revolt
