
Grinning Demon (Onslaught) — Market vs Foil: which is worth more?
Grinning Demon (Onslaught) value — Market $4.11 vs Foil $24.79. Foil sells for 6.03× Market (+503%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$4.11→$24.79
Foil sells for 6.03× (+503%) the Market price — a $20.68 difference per card.
Is complete worth it?
Foil $24.79 vs Market $4.11 — a $20.68 premium (+503%). 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).