What is the approximate resale value for ungraded Swamp [Foil] #340?

The ungraded value is available, but a Grade 9 copy of Swamp [Foil] #340 is currently listed for $35.

Which set does this Swamp [Foil] card belong to?

This specific card, Swamp [Foil] #340, is from the Magic Onslaught set.

Is the card available in a graded condition?

Yes, a Grade 9 copy of Swamp [Foil] #340 is available for $35.

Swamp [Foil] #340 — Magic Onslaught Card Value

Name: Swamp [Foil] #340 — Magic Onslaught Card Value
Brand: Magic

Magic Onslaught

What the Swamp [Foil] #340 card from Magic Onslaught is worth — ungraded and graded (PSA 10).

Swamp [Foil] #340 value — Ungraded $4 · Grade 9 $35. Prices updated July 2026.

Set · Magic OnslaughtGame · Magic

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Which version do you have?

For the cheapest way to own Swamp #340, purchase the Standard version at $2. The Foil version at $4 offers a visual upgrade, representing a premium aesthetic over the standard print. Collectors prioritizing pure ownership should opt for the Standard. Those seeking the enhanced look or investment potential should pay the extra $2 for the Foil.

VersionUsedNewBuy

Foil— this pageSwamp [Foil] #340 — Magic Onslaught Card Value$3.88—eBay ↗

StandardSwamp #340 — Magic Onslaught Card Value$2.05—eBay ↗

JunkPal AI· resale insightanalyzing sold comps…

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Price data verified against · 1

PriceCharting — Swamp [Foil] #340 (Magic Onslaught)$3.88

Item details

Brand: Magic
Set: Magic Onslaught
Game: Magic

Swamp [Foil] #340 (Magic Onslaught) card value

An ungraded Swamp [Foil] #340 from Magic Onslaught averages around $4. A Grade 9 copy runs about $35, and a PSA 10 gem-mint commands null.

What drives the price

Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.

Price guide

Sold values by grade vs. what sellers ask today

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Condition	Value	Based on
Ungraded	$4	eBay sold comps
Grade 9	$35	eBay sold comps

Frequently asked questions

What is the approximate resale value for ungraded Swamp [Foil] #340?: The ungraded value is available, but a Grade 9 copy of Swamp [Foil] #340 is currently listed for $35.
Which set does this Swamp [Foil] card belong to?: This specific card, Swamp [Foil] #340, is from the Magic Onslaught set.
Is the card available in a graded condition?: Yes, a Grade 9 copy of Swamp [Foil] #340 is available for $35.