Swamp (Secret Lair Promo) — Market vs Foil: which is worth more?
Swamp (Secret Lair Promo) value — Market $8.91 vs Foil $52.28. Foil sells for 5.87× Market (+487%). Prices updated September 2026.
Medians of real sold listings per condition, updated September 2026 — how we compute values.
Market vs Foil
$8.91→$52.28
Foil sells for 5.87× (+487%) the Market price — a $43.37 difference per card.
Is complete worth it?
Foil $52.28 vs Market $8.91 — a $43.37 premium (+487%). 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).