Pokémon TCG · XY era
Steam Siegeprice guide & card list
- Released
- Aug 3, 2016
- Cards
- 116 (114 + 2 secret)
- Set code
- STS
- Series
- XY
Complete set, ungraded
$415
Sum of 116 card values
Complete set in PSA 10
–
Not enough PSA 10 data
Typical card
$0.29
Average $3.58
Set over 4 weeks
up +2.5%
Median change across cards
Completion values add up each card’s current ungraded or PSA 10 value. Buying a set card by card usually costs more than this. Prices updated Sep 28, 2026.
Steam Siege is an English Pokémon TCG set of 116 cards, released in August 2016 as part of the XY era. As of Sep 28, 2026, a complete set is worth about $415 ungraded, and a typical card sells for $0.29.
The most valuable cards are Gardevoir-EX 116/114 ($102), M Gardevoir-EX 112/114 ($49.59) and Volcanion-EX 115/114 ($36.78). See the most valuable Steam Siege cards for the full top 50.
Pokémon collectors look for here include Gardevoir, Steelix, Volcanion, Magearna and Yveltal. The set before it was Fates Collide; the next was McDonald's Collection 2016.
Steam Siege
Most valuable cards
- 1
Gardevoir-EX
Steam Siege · 116/114
$102PSA 10 $1,900 - 2
M Gardevoir-EX
Steam Siege · 112/114
$49.59PSA 10 $562 - 3
Volcanion-EX
Steam Siege · 115/114
$36.78PSA 10 $800 - 4
M Steelix-EX
Steam Siege · 109/114
$25.37PSA 10 $300 - 5
Gardevoir-EX
Steam Siege · 111/114
$22.73PSA 10 $485 - 6
M Gardevoir-EX
Steam Siege · 79/114
$20.22PSA 10 $223
116 cards
Steam Siege checklist
Tangela
1/114$0.26
Tangrowth
2/114$0.16
Hoppip
3/114$0.21
Skiploom
4/114$0.20
Jumpluff
5/114$0.39
Yanma
6/114$0.16
Yanmega
7/114$0.19
Yanmega BREAK
8/114$2.85
Seedot
9/114$0.16
Nuzleaf
10/114$0.14
Shiftry
11/114$0.68
Foongus
12/114$0.35
Amoonguss
13/114$0.27
Larvesta
14/114$0.26
Volcarona
15/114$0.74
Ponyta
16/114$0.21
Rapidash
17/114$0.28
Chimchar
18/114$0.25
Monferno
19/114$0.28
Infernape
20/114$1.57
Talonflame BREAK
21/114$4.60
Litleo
22/114$0.14
Pyroar
23/114$0.26
Pyroar BREAK
24/114$3.83
Volcanion
25/114$0.96
Volcanion-EX
26/114$2.99
Mantine
27/114$0.27
Shellos
28/114$0.23
Gastrodon
29/114$0.63
Oshawott
30/114$0.30
Dewott
31/114$0.19
Samurott
32/114$0.41
Clauncher
33/114$0.12
Clawitzer
34/114$0.29
Clawitzer BREAK
35/114$3.46
Bergmite
36/114$0.18
Avalugg
37/114$0.51
Mareep
38/114$0.26
Flaaffy
39/114$0.29
Ampharos
40/114$1.40
Joltik
41/114$0.28
Galvantula
42/114$0.43
Nidoran ♂
43/114$0.27
Nidorino
44/114$0.26
Nidoking
45/114$0.84
Drifloon
46/114$0.20
Drifblim
47/114$0.23
Litwick
48/114$0.22
Lampent
49/114$0.21
Chandelure
50/114$2.06
Hoopa
51/114$0.59
Mankey
52/114$0.25
Primeape
53/114$0.33
Nosepass
54/114$0.16
Probopass
55/114$0.26
Anorith
56/114$0.21
Armaldo
57/114$0.40
Croagunk
58/114$0.14
Toxicroak
59/114$0.27
Sneasel
60/114$0.17
Weavile
61/114$0.38
Spiritomb
62/114$0.30
Pawniard
63/114$0.10
Bisharp
64/114$1.19
Yveltal
65/114$0.63
Yveltal BREAK
66/114$8.61
Steelix-EX
67/114$2.77
M Steelix-EX
68/114$9.79
Shieldon
69/114$0.22
Bastiodon
70/114$0.46
Klink
71/114$0.17
Klang
72/114$0.15
Klinklang
73/114$0.36
Cobalion
74/114$0.37
Magearna-EX
75/114$1.43
Marill
76/114$0.39
Azumarill
77/114$1.93
Gardevoir-EX
78/114$6.39
M Gardevoir-EX
79/114$20.22
Klefki
80/114$0.32
Xerneas
81/114$0.87
Xerneas BREAK
82/114$7.80
Druddigon
83/114$0.30
Deino
84/114$0.15
Zweilous
85/114$0.20
Hydreigon
86/114$0.42
Hydreigon BREAK
87/114$6.01
Meowth
88/114$0.30
Persian
89/114$0.22
Aipom
90/114$0.22
Ambipom
91/114$0.19
Rufflet
92/114$0.16
Braviary
93/114$0.20
Fletchling
94/114$0.17
Fletchinder
95/114$0.16
Talonflame
96/114$0.40
Hawlucha
97/114$0.23
Armor Fossil Shieldon
98/114$0.26
Captivating Poké Puff
99/114$0.21
Claw Fossil Anorith
100/114$0.23
Gardevoir Spirit Link
101/114$0.24
Greedy Dice
102/114$0.15
Ninja Boy
103/114$0.14
Pokémon Ranger
104/114$0.14
Special Charge
105/114$0.35
Steelix Spirit Link
106/114$0.24
Volcanion-EX
107/114$11.58
Steelix-EX
108/114$19.89
M Steelix-EX
109/114$25.37
Magearna-EX
110/114$10.41
Gardevoir-EX
111/114$22.73
M Gardevoir-EX
112/114$49.59
Pokémon Ranger
113/114$8.71
Professor Sycamore
114/114$13.71
Volcanion-EX
115/114$36.78
Gardevoir-EX
116/114$102
Last 90 days
Steam Siege sales
Most traded
Last 90 days- 01
M Gardevoir-EXSteam Siege · 79/114170 saleslast 90 days
- 02
Gardevoir-EXSteam Siege · 116/114151 saleslast 90 days
- 03
Gardevoir-EXSteam Siege · 78/114115 saleslast 90 days
- 04
Volcanion-EXSteam Siege · 115/114112 saleslast 90 days
- 05
M Steelix-EXSteam Siege · 68/114106 saleslast 90 days
Top recent sales
Last 90 days- 01
Gardevoir-EXSteam Siege · 116/114$2,100PSA 10 · Sep 4, 2026 - 02
HydreigonSteam Siege · 86/114$1,850PSA 10 · Sep 14, 2026 - 03
VolcaronaSteam Siege · 15/114$1,500PSA 10 · Sep 8, 2026 - 04
- 05
InfernapeSteam Siege · 20/114$1,175PSA 10 · Aug 2, 2026
In this set
Key Pokémon
Graded
Top PSA 10 values
XY
Related sets
Common questions
How much is a complete Steam Siege set worth?
As of Sep 28, 2026, a complete Steam Siege set is worth about $415 ungraded, adding up each card’s near-mint value. Buying card by card usually costs more.
What is the most valuable card in Steam Siege?
Gardevoir-EX 116/114 is the most valuable Steam Siege card, worth about $102 ungraded and $1,900 in PSA 10. Next is M Gardevoir-EX 112/114 at $49.59.
How many cards are in Steam Siege?
Steam Siege has 116 cards: 114 in the main set plus 2 secret rares numbered past 114. The full checklist above lists every card with its price.
When was Steam Siege released?
Steam Siege was released in English on Aug 3, 2016, in the XY era.