Swamp (Core Set 2021) — Market vs Foil: which is worth more?
Swamp (Core Set 2021) value — Market $0.19 vs Foil $0.23. Foil sells for 1.21× Market (+21%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$0.19→$0.23
Foil sells for 1.21× (+21%) the Market price — a $0.04 difference per card.
Is complete worth it?
Foil $0.23 vs Market $0.19 — a $0.04 premium (+21%). 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).