Rare SecretGardevoir-EX
$107.82
Odds not measured
XY series
Pokémon Steam Siege
Every card in Steam Siege with today's market price, the chase cards, and where the set sits in its series.
$57.26
$36.49
$29.32
$25.14
Steam Siege is a main set in the Pokémon TCG XY series, released Aug 3, 2016. It has 116 cards (set code STS): 114 in the main set plus 2 numbered past 114, the secret rares and subset cards. It's the 15th of 16 XY sets in release order. One copy of every card costs about $432.79 at today's TCGplayer market prices. The most valuable is Gardevoir-EX (#116) at $107.82.
- 116Cards
- $432.79Full set valueOne of every card
- $107.82Top cardGardevoir-EX
Most valuable cards
Today's TCGplayer market price for the set's priciest cards.
M Gardevoir-EX
$57.26
Odds not measured
Volcanion-EX
$36.49
Odds not measured
M Steelix-EX
$29.32
Odds not measured
Gardevoir-EX
$25.14
Odds not measured
Rare Holo EX
M Gardevoir-EX
$24.15
Odds not measured
Rare Ultra
Steelix-EX
$18.42
Odds not measured
Rare Ultra
Professor Sycamore
$14.18
Odds not measured
Rare Holo EX
M Steelix-EX
$10.95
Odds not measured
Rare Ultra
Volcanion-EX
$10.26
Odds not measured
Rare Ultra
Magearna-EX
$9.00
Odds not measured
Rare BREAK
Xerneas BREAK
$7.42
Odds not measured
Prices as of Oct 12, 2026. Card images are shown for identification.
Cards by rarity
How many cards each rarity has and what they're worth together, most valuable rarity first.
| Rarity | Cards | All together | Top card |
|---|---|---|---|
| Rare Secret | 2 | $144.31 | Gardevoir-EX$107.82 |
| Rare Ultra | 8 | $170.97 | M Gardevoir-EX$57.26 |
| Rare Holo EX | 6 | $47.97 | M Gardevoir-EX$24.15 |
| Rare BREAK | 7 | $35.25 | Xerneas BREAK$7.42 |
| Rare Holo | 9 | $9.54 | Chandelure$2.28 |
| Rare | 23 | $10.04 | Volcanion$0.99 |
| Uncommon | 30 | $8.11 | Azumarill$1.88 |
| Common | 31 | $6.60 | Foongus$0.48 |
Where the value is
How Steam Siege card prices spread out at today's TCGplayer market prices.
The 5 most valuable cards make up 59% of the set's $432.79 value. 6 cards sell for $20 or more, and half sell for $0.28 or less.
| Market price | Cards | All together |
|---|---|---|
| $100 or more | 1 | $107.82 |
| $20 to $100 | 5 | $172.36 |
| $5 to $20 | 10 | $96.38 |
| $1 to $5 | 12 | $30.05 |
| Under $1 | 88 | $26.18 |
Steam Siege pull rates
We haven't published pull rates for Steam Siege. We only post odds that trace back to a large, verified pack opening, and we don't have one for this set yet. Card prices above are live either way.
Compare the sets we have measured or see how we verify an opening.
More XY sets
Newest first.
- EvolutionsNov 2, 2016
- Steam SiegeAug 3, 2016
- Fates CollideMay 2, 2016
- GenerationsFeb 22, 2016
- BREAKpointFeb 3, 2016
- BREAKthroughNov 4, 2015
- Ancient OriginsAug 12, 2015
- Roaring SkiesMay 6, 2015
- Double CrisisMar 25, 2015
- Primal ClashFeb 4, 2015
- Phantom ForcesNov 5, 2014
- Furious FistsAug 13, 2014
- FlashfireMay 7, 2014
- XYFeb 5, 2014
- Kalos Starter SetNov 8, 2013
- XY Black Star PromosOct 12, 2013
Quick answers
- When did Pokémon Steam Siege come out?
- Steam Siege came out on Aug 3, 2016 in English.
- How many cards are in Steam Siege?
- 116 cards: 114 in the main set and 2 secret rares and subset cards numbered past 114.
- How many secret rares are in Steam Siege?
- 2 cards are numbered past the set's printed total of 114: the secret rares and subset cards.
- What is the set code for Steam Siege?
- STS, the abbreviation collectors and card listings use for Steam Siege.
- What is the most valuable card in Steam Siege?
- Gardevoir-EX (#116, Rare Secret) at $107.82, TCGplayer market price on Oct 12, 2026.
- How much is a full Steam Siege set worth?
- About $432.79 for one of every card at TCGplayer market prices on Oct 12, 2026.
- How much are Steam Siege cards worth?
- The 5 most valuable cards make up 59% of the set's $432.79 value. 6 cards sell for $20 or more, and half sell for $0.28 or less.