MAGIC: THE GATHERING
WHIR OF INVENTION
AETHER REVOLT (49)
Card InfoRarity: Rare
Mana 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.
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