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Set: Secret Lair: Heads I Win, Tails You Lose
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.

Magic: The Gathering

Whir of Invention [Secret Lair: Heads I Win, Tails You Lose]

SKU PHED-42-EN-NF-1
$ 0.10
Set: Secret Lair: Heads I Win, Tails You Lose
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.
$ 0.10
Title:

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Total price$ 0.00

Product Description

Set: Secret Lair: Heads I Win, Tails You Lose
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.