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Whir of Invention [Mystery Booster]

Whir of Invention [Mystery Booster]

by Wizards of the Coast
Sold out
$3.98 - $6.64
$6.64
$3.98 - $6.64
$6.64
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 mana value X or less, put it onto the battlefield, then shuffle.