Whir of Invention [Mystery Booster]

Whir of Invention [Mystery Booster]

$1.50

Standard
Legacy
Modern
Pauper
Vintage
1v1 Cmdr.
Commander
Brawl
  • Description

    Set: Mystery Booster
    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 converted mana cost X or less, put it onto the battlefield, then shuffle your library.


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