Yu-Gi-Oh! / Booster Box
Battles of Legend: Monster Mayhem Booster Box [1st Edition] EV Calculator
Estimate this physical product's no-chase expected value with a product-, region-, language-, and printing-specific model, then compare the modeled range with your entered cost. Estimated ROI is a planning metric, not a guaranteed return.
- Release
- June 13, 2025
- Market scope
- en / North America / English North America 1st Edition
- Default singles price
- TCGplayer Low
- Model basis
- Publisher collation
Sealed Price / EV
Marketplace rows retain marketplace-only labels and use each marketplace's low sealed-product price.
| Marketplace | Product price | Break-even price | P/E | Basis |
|---|
Simulation Results
Low, Mid, and High are all derived from this same recalculated result set.
Confidence band: --
Modeled contribution mix
Card Value Breakdown
See which rarities and treatments are carrying the current gross EV.
Waiting for modeled rows
Included poolsChoose which already-drawn pools count toward EV.
Model & EvidenceHow this calculation is supportedReview the product evidence, price coverage, and chase policy. EvidencePublisher collationReviewed July 23, 2026 Price coverage (reviewed)100.0% modeled mass100.0% measured rows Chase policyNo-chase baseline1 chase family excluded
Generated model: /data-static/yugioh/battles-of-legend-monster-mayhem/models/battles-of-legend-monster-mayhem-booster-box.json
Publisher collation
Evidence
This calculator is based on Publisher collation reviewed July 23, 2026.
Sources
- Battles of Legend: Monster Mayhem - Konami Digital Entertainment, Inc. (accessed 2026-07-20)
- TCGCSV category 2 group 24263 product identity - TCGCSV (accessed 2026-07-20) — identity and pricing were imported into local generated artifacts; the calculator does not call the raw endpoint.
- Verified North America booster box wrapper count (24 packs) - The Expected Value (accessed 2026-07-24)
- Owner-directed ordinary-pool no-chase redraw classification - The Expected Value (accessed 2026-07-23)
Limitations
- The box model scales the publisher-supported pack recipe to the verified North America sealed configuration of 24 packs per booster box.
- The sealed box wrapper count is independently verified because the reviewed Konami product page documents pack contents but does not state the North America box count.
- Modeling policy approved 2026-07-23: every supported ordinary card in the same slot, rarity, treatment, and finish pool receives one equal positive selection weight. This is a transparent modeling assumption where the publisher or empirical sample gives pool odds but not card-level sheet weights.
- No-chase redraw policy approved 2026-07-23: Curio, Enchanted, alternate-art, parallel, showcase, serialized, signature, premium-rarity, promotional, and any other card or treatment without a supported pull rate are excluded. A chase hit is redrawn from the applicable supported ordinary pool, so excluded cards occupy no modeled outcome.
- Simulation ordering is draw the complete disclosed no-chase product first, record that draw, and only then apply Sift or another user filter. Sift never changes or backfills the completed modeled draw.
Local price snapshots
Pricing
TCGplayer Low is the default singles price for the first calculation and remains selected until changed. Resetting the price source returns to TCGplayer Low.
- Row coverage (reviewed)
- 100.0%
- Modeled mass coverage (reviewed)
- 100.0%
- Coverage observed
- July 23, 2026
- Low-price source
- Available Via Tcgcsv
No catalog-level price fallbacks are recorded. Runtime gaps are disclosed below when data loads.
TCGplayer Low coverage will be checked against the loaded local price snapshot.
Generated model and price snapshot dates load with this calculator.
No-chase model
Chase Exclusions
Excluded chase families are removed from the model entirely. They are never retained as zero-EV occupied outcomes. Each affected physical position is instead filled from its disclosed supported ordinary pool before the product draw is completed.
- Unsupported premium rarity and treatment cards
Model assumptions & evidence
Simulation order: complete product contents are drawn first. Included-pool controls and optional Sift are applied only after the draw, and filtered outcomes are never replaced or backfilled.
Product snapshot
Modeled Product Structure
- Cards per pack
- 4
- Packs per box
- 24
- Draw order
- Complete draw, then filters
All modeled slots are resolved before pool toggles or Sift score the opened product. This ordering prevents replacement draws from inflating EV.
Release-specific model analysis
What drives Battles of Legend: Monster Mayhem Booster Box [1st Edition]
Product profile. This box resolves 120 card positions across 177 named outcomes. The model snapshot dated July 23, 2026 contains 125 Ultra Rare, 52 Secret Rare. Its largest slot groups are 125 ultra rare, 52 secret rare. Every listed outcome contributes to the published baseline unless the visitor applies a post-draw filter.
Largest modeled weights. Advanced Heraldry Art #BLMM-EN161 (0.768 expected per box), Ariel Priestess of the Nekroz #BLMM-EN128 (0.768 expected per box), Bat the Forest Ninja #BLMM-EN034 (0.768 expected per box), Blaster Dragon Ruler of Infernos #BLMM-EN119 (0.768 expected per box), Blaze Supreme Ruler of all Dragons #BLMM-EN155 (0.768 expected per box). These are frequency leaders in the product model, not a promise that any individual opening will contain them.
Release-specific card examples. Absorb Fusion #BLMM-EN164, Call of the Earthbound #BLMM-EN174, Blue Eyes White Dragon #BLMM-EN001, Skull Servant #BLMM-EN002, Elemental HERO Neos #BLMM-EN003, Gearfried the Iron Knight #BLMM-EN004, Gorz the Emissary of Darkness #BLMM-EN005, Honest #BLMM-EN006. Seeing the named pool makes it possible to compare this release with adjacent sets instead of treating every sealed product as the same generic pack calculation.
Current value concentration. At the TCGplayer Low snapshot dated July 23, 2026, 177 modeled outcomes have a usable direct or documented fallback price. The largest deterministic contributions come from Crowley the Gifted Magistus #BLMM-EN044 ($12.46), Galatea i the Orcust Automaton #BLMM-EN052 ($9.15), Noh PUNK Rising Scale #BLMM-EN050 ($7.68), Blue Eyes White Dragon #BLMM-EN001 ($5.32), Parlor Dragonmaid #BLMM-EN060 ($2.70). Together those five rows account for 52.6% of the modeled gross value, so changes in those cards can move the estimate materially.
The baseline product model is constructed first, including any documented chase exclusions. The calculator then draws the complete baseline product. Included-pool controls and optional Sift evaluate that completed draw afterward and do not alter its collation.
Pack & Booster Box EV
| Metric | Low | Mid | High |
|---|---|---|---|
| Pack EV (gross) | $0.00 | $0.00 | $0.00 |
| Booster Box EV × 24 packs (gross) | $0.00 | $0.00 | $0.00 |
| Seller fees | $0.00 | $0.00 | $0.00 |
| Net after fees | $0.00 | $0.00 | $0.00 |
| Profit after purchase | $0.00 | $0.00 | $0.00 |
| Break-even price (Mid) | $0.00 | ||
Purchase EV & Estimated ROI
| Metric | Low | Mid | High |
|---|---|---|---|
| Gross EV | $0.00 | $0.00 | $0.00 |
| Total fees | $0.00 | $0.00 | $0.00 |
| Net after fees | $0.00 | $0.00 | $0.00 |
| Profit after expenses | $0.00 | $0.00 | $0.00 |
| Modeled ROI vs entered cost | -- | -- | -- |
boxes: 0 · Price/box: $0.00 · Total cost: $0.00
How is estimated ROI calculated? It equals modeled profit divided by the entered product cost. Modeled profit subtracts that product cost, selected seller fees, and any entered order or shipping costs from the modeled resale value. It is not a guaranteed return; pull variance, market price changes, taxes, and other unmodeled selling costs can change actual resale results.
Expected contribution
Card Value Breakdown
| Name | Set | Card # | Rarity | Treatment | Value | Seller fees | Products / copy |
|---|---|---|---|---|---|---|---|
| Expected cards/box after toggles and Sift | 0.00 | ||||||
| All modeled game-card rows | 0.00 | ||||||
| Gap to modeled card total | 0.00 | ||||||
The simulator draws the full physical product first, then applies disabled pools and optional Sift. Filtered outcomes occupy their actual slots and are never backfilled.