Booster box EV · EUR · 2016
Steam Siege booster box, is it worth opening?
A sealed Steam Siege box yields an estimated €59.41 in singles (EUR, Cardmarket reference prices), about €1.65 per pack across 36 packs. Most modern English booster boxes retail around €100 to €160; compare against the exact price you'd pay below.
Chase cards · odds of hitting at least one per box
Per-rarity breakdown · Steam Siege
101 of 116 cards priced. Avg = mean Cardmarket trend price for that rarity in the set.
| Rarity | Cards | Avg € | Top € | ~ / box | EV contrib. |
|---|---|---|---|---|---|
| Ultra Rare | 12 | €17.17 | €81.78 | ~1.98 | €33.99 |
| Common | 30 | €0.12 | €0.29 | — | — |
| Uncommon | 30 | €0.19 | €1.93 | — | — |
| Rare | 27 | €0.67 | €2.75 | — | — |
| Secret Rare | 2 | €70.65 | €110.92 | — | — |
How this Steam Siege EV is estimated
Estimated value of the singles in a 36-pack booster box, computed as the sum over each pack slot of (pull-rate × average Cardmarket trend price for that rarity in this set). Pull rates are a disclosed community-aggregated model (SV/Mega community aggregate, 2026-06 (rev2)), Pokémon does not publish official odds, so this is an estimate of the average outcome, not a prediction for any single box. Reference prices are Cardmarket EUR trend values via pokemontcg.io. Informational only, not financial advice.
Box EV for other sets
Reference prices: Cardmarket (EUR) via TCGdex, refreshed daily and cached here. Pull rates are a disclosed community-aggregated model (SV/Mega community aggregate, 2026-06 (rev2)). Estimates for planning only, not financial advice. Foilio is an unofficial fan project, not affiliated with The Pokémon Company.




