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

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.

Prices

Non Foil Prices

NM-Mint - $1.00
Lightly Played - $0.90
Moderately Played - $0.80
Heavily Played - $0.70
Damaged - $0.50
NM-Mint Non English - $1.00
Lightly Played Non English - $0.90
Moderately Played Non English - $0.80
Heavily Played Non English - $0.70
Damaged Non English - $0.50