Swamp (Core Set 2021) — Market vs Foil: which is worth more?
Swamp (Core Set 2021) value — Market $0.35 vs Foil $0.67. Foil sells for 1.91× Market (+91%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$0.35→$0.67
Foil sells for 1.91× (+91%) the Market price — a $0.32 difference per card.
Is complete worth it?
Foil $0.67 vs Market $0.35 — a $0.32 premium (+91%). 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).