Whir of Invention
Instant
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
rare · #AER-49 · plst
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Rank supplied by Scryfall from EDHREC; it may lag behind EDHREC. Deck counts and synergy percentages are not included.