Manifold Key (Core Set 2020) — Market vs Foil: which is worth more?
Manifold Key (Core Set 2020) value — Market $2.04 vs Foil $14.84. Foil sells for 7.27× Market (+627%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$2.04→$14.84
Foil sells for 7.27× (+627%) the Market price — a $12.8 difference per card.
Is complete worth it?
Foil $14.84 vs Market $2.04 — a $12.8 premium (+627%). 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).