{R} Whir of Invention (Borderless) (First-Place Foil) [Aetherdrift Special Guests][SPG 096]

Title
$55.50
$55.50
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Set: Aetherdrift Special Guests
Type: Instant
Rarity: Mythic
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.