Is a Obsidian Flames booster box worth it?
As of 2026-10-18, an average Obsidian Flames booster box holds $155.53 of cards at TCGplayer market prices, 42% of the box's $370.19 market price. Opening one loses $214.66 on average, so buying the singles you want costs less than chasing them.
Expected value from published pull rates and our nightly TCGplayer prices. Updated 2026-10-18.
The pulls that carry the box
The most valuable Obsidian Flames cards at market price. Most of a box's value sits in a handful of them.
How the number is worked out
How we got 42%
Box price $370.19: TCGplayer market price of the sealed booster box on 2026-10-18.
- Bulk slots $41.87: 36 packs × 7 common/uncommon slots × $0.17 average market price of the set's commons and uncommons.
- Reverse holo slots $20.27: 36 packs × 2 reverse-holo slots × $0.28 average reverse-holo price.
- Rare slot $93.39: for each rarity tier, 36 packs × pulls per pack × the tier's average card price.
Tier Pulls / pack Avg card price Cards in tier EV / box Illustration Rare 1 in 11.9 $13.25 12 $40.08 Special Illustration Rare 1 in 27.8 $20.70 6 $26.83 Hyper Rare (gold) 1 in 50.0 $12.28 3 $8.84 Ultra Rare 1 in 16.7 $3.34 12 $7.21 Double Rare (ex) 1 in 7.0 $1.37 21 $7.03 Rare / Rare Holo 1 in 1.9 $0.18 10 $3.40
EV $155.53 ÷ box price $370.19 = 42% ($4.32 per pack).
Pull rates: published community pull-rate data (config v1).
Expected value is a long-run average. Most single boxes land below it, a few land far above, and selling fees come out of what you would actually net. Full methodology.
Questions people ask
- Is a Obsidian Flames booster box worth it?
- As of 2026-10-18, an average Obsidian Flames booster box holds $155.53 of cards at TCGplayer market prices, 42% of the box's $370.19 market price. Opening one loses $214.66 on average, so buying the singles you want costs less than chasing them.
- What is the expected value of a Obsidian Flames booster box?
- $155.53 per box as of 2026-10-18, or $4.32 per pack, from published pull rates and TCGplayer market prices for every card in the set. Recomputed nightly.
- What are the most valuable pulls in Obsidian Flames?
- Charizard ex - 223/197 ($93.10), Ninetales - 199/197 ($34.97), Cleffa - 202/197 ($34.78), Charizard ex - 228/197 ($31.87), Charizard ex - 215/197 ($21.80), at TCGplayer market prices on 2026-10-18.
- How does Obsidian Flames compare with other booster boxes?
- It ranks 7 of 8 boxes we track by value inside against box price on 2026-10-18.
Know when a Obsidian Flames box is worth opening
The Lab Letter, every Sunday, tracks the value inside every box we price. Free. See last Sunday's Letter.
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