Whir of Invention is a Rare foil Instant card from the Aether Revolt Promos set, identified by set code PAER and card number 49s. The card has a mana cost of {X}{U}{U}{U}, a mana value of 3, and is colored U with a color identity of U. It features a normal layout and artwork by Christine Choi.
2017 • Magic: The Gathering • Aether Revolt Promos
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| Condition | Value | Source | Trend | Price Details |
|---|---|---|---|---|
$18.77 | Guide Estimate | +1% | ||
Raw / Ungraded
TCGplayer Market (reference) · Guide Estimate evidence · captured Oct 12, 2026
Whir of Invention is a Magic: The Gathering trading card game card. It is a Rare foil Instant from the Aether Revolt Promos set (PAER). The card number is 49s. It has a mana cost of {X}{U}{U}{U}, a mana value of 3, and is colored U. The color identity is U. The layout is normal. The artist is Christine Choi. It is a promo card.
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The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Whir of Invention
Game
Magic: The Gathering
Rarity, print treatment, and game-specific stats for this card.
Rare
Christine Choi
Card Stock
English
Foil
{X}{U}{U}{U}
Instant
U
Abilities, attacks, oracle text, and flavor text printed on the card.
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.
Notable collectible traits associated with this card profile.
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