Name: Whir of Invention Cost: XUUU CMC: 3 Color: U CID: U Type: Instant Rules 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 mana value X or less, put it onto the battlefield, then shuffle. Set/Rarity: Aether Revolt rare, Aether Revolt Promos rare, Secret Lair Drop rare, The List rare, Kaladesh Remastered rare, Aetherdrift special guest Set Code: AER-R, PAER-R, SLD-R, PLST-R, KLR-R, DFT-G Legality: Legal in vintage, Legal in brawl, Legal in penny, Legal in pioneer, Legal in timeless, Legal in historic, Legal in commander, Legal in modern, Legal in legacy, Legal in gladiator, Legal in duel, Legal in oathbreaker Price: $5.84 Foil price: $10.43