Ley Line of the Old Ones (Marvel) Mastery Pack Guardian Marvel Flesh and Blood card — value and price

Ley Line of the Old Ones (Marvel)

Mastery Pack Guardian · Marvel
Flesh and Blood fab:646856 TCGplayer (daily snapshot, 2026-06-11)
Fair market value
$358.70
Consensus of 1 market price guide. Typical $310.71 – $408.56.
Sources: TCGplayer (daily snapshot, 2026-06-11) · Near Mint, raw
Optimal buy
$332.23
Never pay above $346.79
Optimal sell
$378.43
Never sell below $364.62
Buy this card · aim to pay under $346.79
Find on eBay → TCGplayer → Buy on Amazon → Graded (PSA 10) →
When it arrives: a card at this value belongs in a sleeve inside a magnetic one-touch, out of sunlight.
Magnetic one-touch holderPenny sleeves

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Selling this card
Optimal sell $378.43 · never below $364.62. 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
High value — use a sleeve + one-touch (or toploader) inside a rigid mailer, tracked, with signature confirmation.
Penny sleevesMagnetic one-touch holderToploadersBubble mailersRigid/cardboard mailerPainter’s tape
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