
Mage's Guile (Onslaught) — Market vs Foil: which is worth more?
Mage's Guile (Onslaught) value — Market $0.23 vs Foil $3.91. Foil sells for 17× Market (+1600%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$0.23→$3.91
Foil sells for 17× (+1600%) the Market price — a $3.68 difference per card.
Is complete worth it?
Foil $3.91 vs Market $0.23 — a $3.68 premium (+1600%). 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).