Whir of Invention (Aether Revolt Promos) — Market vs Foil: which is worth more?
Whir of Invention (Aether Revolt Promos) value — Market $6.72 vs Foil $19.19. Foil sells for 2.86× Market (+186%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$6.72→$19.19
Foil sells for 2.86× (+186%) the Market price — a $12.47 difference per card.
Is complete worth it?
Foil $19.19 vs Market $6.72 — a $12.47 premium (+186%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).