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Yu-Gi-Oh! · Special boosters

BLMM Battles of Legend: Monster Mayhem

Released 13 June 2025 · 202 cards · 24 packs per box

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Battles of Legend: Monster Mayhem Booster Box [1st Edition]

Is a booster box of BLMM worth opening?

Box price$51.51TCGplayer market price
Expected value$108$106 to $109 depending on the rates
If you sell the cards$82.50With a 5% fee and leaving out cards under $0.50
A typical box$77.28The median of 10,000 simulated boxes
You get your money back99%Almost always

Yes, on average it pays off: selling the cards from a BLMM box would get you $82.50, more than the $51.51 it costs. But that's an average: a typical box gives $77.28 and only 99% of boxes get your money back.

How reliable the rates are: fair (community estimate).

BLMM pull rates

How many cards of each rarity group come in a 24-pack box, how many packs it takes to pull one specific card of the group and how much the group adds to the box value.

RarityCardsPer boxOne specificAddsShare
Ultra Rare 125 96 (96–96) 1 in 31 packs $53.39 50%
Secrets 52 24 (24–24) 1 in 52 packs $44.21 41%
Starlight 25 0.29 (0.25–0.33) 1 in 2,069 packs $10.09 9.4%

The cards that carry the box

What weighs most in the expected value: expensive cards that are hard to pull.

The most expensive BLMM cards

Their version and today's TCGplayer and Cardmarket price.

CardRarityTCGplayerCardmarket
Blue-Eyes White Dragon BLMM-EN0011st Edition Starlight Rare $165 —
Galatea-i, the Orcust Automaton BLMM-EN0521st Edition Starlight Rare $71.22 —
Lady's Dragonmaid BLMM-EN0491st Edition Starlight Rare $56.25 —
Necroquip Princess BLMM-EN1461st Edition Starlight Rare $45.01 —
Enlilgirsu, the Orcust Mekk-Knight BLMM-EN0531st Edition Starlight Rare $43.44 —
Dark Paladin BLMM-EN0081st Edition Starlight Rare $43.06 —
Herald of Orange Light BLMM-EN1031st Edition Starlight Rare $40.62 —
Skull Servant BLMM-EN0021st Edition Starlight Rare $38.17 —
Elemental HERO Neos BLMM-EN0031st Edition Starlight Rare $36.77 —
Noh-P.U.N.K. Rising Scale BLMM-EN0501st Edition Starlight Rare $34.84 —
Galaxy-Eyes Photon Dragon BLMM-EN0071st Edition Starlight Rare $32.97 —
Gem-Knight Nepyrim BLMM-EN0211st Edition Starlight Rare $30.60 —

BLMM booster box price over the last year

Loading the price history…

TCGplayer market price, in dollars.

Sealed product

Where the numbers come from

The expected value adds up, for each rarity group, the copies in a box times the average price of its cards (the English card, with its TCGplayer price or, if there isn't one, Cardmarket's converted). The simulation opens 10,000 boxes with the same rates.

Battles of Legend: 1 Secret Rare, 1 "emblazoned" Ultra Rare and 3 more Ultra Rares per pack (Konami). Starlight: Konami says it shows up "at about the same rate" as the Quarter Century Secret of the previous years (1 in 3 or 4 boxes).

Pull rate sources: yugioh-card.com (opens in a new tab) · yugioh-card.com (opens in a new tab) · tcgplayer.com (opens in a new tab)

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Tweak the rates, choose between the box and loose packs and see how 10,000 simulated boxes turn out.

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