
Manifold Key (Core Set 2020) — Market vs Foil: which is worth more?
Manifold Key (Core Set 2020) value — Market $1.85 vs Foil $14.88. Foil sells for 8.04× Market (+704%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$1.85→$14.88
Foil sells for 8.04× (+704%) the Market price — a $13.03 difference per card.
Is complete worth it?
Foil $14.88 vs Market $1.85 — a $13.03 premium (+704%). 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).