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Whir of Invention [Mystery Booster]

Whir of Invention [Mystery Booster]

by Magic: The Gathering
Sold out
$6.20 - $8.90
$8.90
$6.20 - $8.90
$8.90
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.