Swamp (Secret Lair Promo) — Market vs Foil: which is worth more?
Swamp (Secret Lair Promo) value — Market $8.84 vs Foil $52.28. Foil sells for 5.91× Market (+491%). Prices updated August 2026.
Medians of real sold listings per condition, updated August 2026 — how we compute values.
Market vs Foil
$8.84→$52.28
Foil sells for 5.91× (+491%) the Market price — a $43.44 difference per card.
Is complete worth it?
Foil $52.28 vs Market $8.84 — a $43.44 premium (+491%). 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).