![Swamp [Foil] #342](/api/images/junkpal-products/cards/swamp-foil-342-magic-onslaught-card/img0/cover.webp)
Ungraded vs Grade 9 Swamp [Foil] #342: price difference
Swamp [Foil] #342 value — Ungraded $4 vs Grade 9 $39. Grade 9 sells for 9.75× Ungraded (+875%). Prices updated July 2026.
↗ Rising · +22%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs Grade 9
$4→$39
Grade 9 sells for 9.75× (+875%) the Ungraded price — a $35 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Swamp [Foil] #342, the jump from Ungraded to Grade 9 is worth $35 (9.75×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).