Whir of Invention

X generic mana one blue mana Instant

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for one generic mana

.)
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

Card details

Set	Number	Rarity	Artist	Price
Special Guests	96	mythic	Brian Chippendale	—
Special Guests	86	mythic	Brian Chippendale	8.78 $
The List	AER-49	rare	Christine Choi	6.38 $
Secret Lair Drop	311	rare	Tyler Walpole	9.12 $
Kaladesh Remastered	73	rare	Christine Choi	—
Aether Revolt Promos	49p	rare	Christine Choi	6.75 $
Aether Revolt	49	rare	Christine Choi	5.21 $
Aether Revolt Promos	49s	rare	Christine Choi	—