Mastemon ACE Infernal Ascension Super Rare Digimon card — value and price

Mastemon ACE

Infernal Ascension · Super Rare
Digimon dgm:555209 TCGplayer (daily snapshot, 2026-07-24)
Fair market value
$6.30
Consensus of 1 market price guide. Typical $5.12 – $7.53.
▼ 7% · 35d
Sources: TCGplayer (daily snapshot, 2026-07-24) · Near Mint, raw
Optimal buy
$5.77
Never pay above $6.06
Optimal sell
$6.66
Never sell below $6.41
Buy this card · aim to pay under $6.06
Find on eBay → TCGplayer → Buy on Amazon → Graded (PSA 10) →

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Selling this card
Optimal sell $6.66 · never below $6.41. Value your copy for the live net-after-fees calculator.
Where to sell
eBay~13.25% + $0.30Largest audience; on any listing use “Sell one like this” to prefill yours.TCGplayer~10–11%Best for singles; buyers expect competitive, data-driven pricing.Whatnot~8% + paymentLive-auction app; strong for breaks, lots, and fast sales.
Shipping & protection supplies
Low value — a sleeve in a plain/bubble mailer is plenty; tracking optional under ~$20.
Penny sleevesBubble mailers
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Common questions
How much is Mastemon ACE worth?

Mastemon ACE from Infernal Ascension has a fair market value of about $6.30 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Mastemon ACE?

List around $6.66 to clear without leaving money on the table; that nets about $4.39 after fees and shipping.

What should I pay to buy Mastemon ACE?

A disciplined buy target is about $5.77 — a discount to fair value that keeps an edge. Aim not to pay above $6.06.

Where can I buy Mastemon ACE?

Mastemon ACE is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $6.30 and aim to pay under $6.06 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Mastemon ACE?

Mastemon ACE is trending stable lately. A disciplined entry is under $6.06; paying near or below $5.77 keeps a margin of safety versus the $6.30 fair value.

Estimate for guidance, not an appraisal. Value your exact copy →