What is the most valuable card in Steam Siege?

Gardevoir-EX #116 is the most valuable Steam Siege card we track, at about $110.82 raw and $2,008 as a PSA 10.

How often do Steam Siege cards grade a PSA 10?

Across 28,073 PSA submissions from this set, about 30.1% received a PSA 10.

Which Steam Siege card has the best grading upside?

Magearna-EX #110 shows the biggest gap between raw and PSA 10 price among the top cards, +8,562% before grading costs and without the chance of not getting a 10.

Steam Siege: most valuable cards & PSA 10 prices

The most valuable card in Steam Siege right now is Gardevoir-EX #116 at $110.82 raw and about $2,008 as a PSA 10. The best grading upside among the top cards is Magearna-EX (+8,562% from raw to PSA 10, before grading costs). Prices are market prices (not asking prices) and PSA 10 values are estimates from recent graded sales; the ROI shown is before grading fees and does not account for the chance a card does not grade a 10.

Steam Siege for investors

Total set value: $438.68
Top-10 value: $333.55
30-day momentum: +0.5%
PSA 10 rate: 30.1%
PSA 10 premium: 30.6x
Strong Buy cards: 31
Booster box: $1,437
Elite Trainer Box: $1,800

All figures are calculated from current market prices and PSA population data; they describe the set today and are not investment advice. Missing values mean there is not enough data yet.

Sealed Steam Siege products

Steam Siege Elite Trainer Box
Elite Trainer Box
$1,800
Steam Siege Booster Box
Booster Box
$1,437
Steam Siege Mega Gyarados Collection Box
Collection
$767.28
Steam Siege 3-Pack Blister - Rayquaza
Blister
$300.00
Steam Siege Battle Arena Decks: Keldeo EX vs Rayquaza EX
Battle Deck
$299.66
Steam Siege Battle Heart Tin - Volcanion EX
Tin
$229.99
Steam Siege Battle Heart Tin - Pikachu EX
Tin
$217.49
Steam Siege Battle Heart Tin - Magearna EX
Tin
$206.24
Steam Siege Prerelease Kit
Prerelease Kit
$158.49
Steam Siege Sleeved Booster Pack Art Bundle (Set of 4)
Booster Pack
$132.50
Legendary Battle Decks - Articuno
Battle Deck
$103.96
Steam Siege Legendary Battle Decks - Moltres
Battle Deck
$94.95

Gardevoir-EX

#116 · Rare Secret

Raw $110.82

PSA 10 $2,008 +1,712%

M Gardevoir-EX

#112 · Rare Ultra

Raw $56.66

PSA 10 $1,156 +1,940%

Volcanion-EX

#115 · Rare Secret

Raw $35.69

PSA 10 $1,055 +2,855%

Gardevoir-EX

#111 · Rare Ultra

Raw $28.19

PSA 10 $983.44 +3,389%

M Steelix-EX

#109 · Rare Ultra

Raw $27.74

PSA 10 $671.82 +2,322%

M Gardevoir-EX

#79 · Rare Holo EX

Raw $23.91

PSA 10 $385.86 +1,514%

Steelix-EX

#108 · Rare Ultra

Raw $18.62

PSA 10 $1,460 +7,743%

Professor Sycamore

#114 · Rare Ultra

Raw $12.35

PSA 10 $174.05 +1,309%

Volcanion-EX

#107 · Rare Ultra

Raw $9.87

PSA 10 $772.38 +7,726%

#10

M Steelix-EX

#68 · Rare Holo EX

Raw $9.70

PSA 10 $266.55 +2,648%

#11

Magearna-EX

#110 · Rare Ultra

Raw $9.57

PSA 10 $829.00 +8,562%

#12

Xerneas BREAK

#82 · Rare BREAK

Raw $8.20

PSA 10 $644.77 +7,763%

#13

Yveltal BREAK

#66 · Rare BREAK

Raw $7.62

PSA 10 $504.42 +6,520%

#14

Hydreigon BREAK

#87 · Rare BREAK

Raw $6.49

PSA 10 $326.69 +4,934%

#15

Pokémon Ranger

#113 · Rare Ultra

Raw $6.48

PSA 10 $130.27 +1,910%

#16

Gardevoir-EX

#78 · Rare Holo EX

Raw $5.92

PSA 10 —

#17

Talonflame BREAK

#21 · Rare BREAK

Raw $4.13

PSA 10 $189.59 +4,491%

#18

Clawitzer BREAK

#35 · Rare BREAK

Raw $3.65

PSA 10 —

#19

Steelix-EX

#67 · Rare Holo EX

Raw $3.50

PSA 10 $243.15 +6,847%

#20

Pyroar BREAK

#24 · Rare BREAK

Raw $3.36

PSA 10 $688.72

#21

Yanmega BREAK

#8 · Rare BREAK

Raw $2.93

PSA 10 $205.75 +6,922%

#22

Volcanion-EX

#26 · Rare Holo EX

Raw $2.84

PSA 10 $98.83 +3,380%

#23

Bisharp

#64 · Rare Holo

Raw $2.11

PSA 10 $3,720

#24

Chandelure

#50 · Rare Holo

Raw $2.05

PSA 10 $79.03 +3,755%

#25

Azumarill

#77 · Uncommon

Raw $1.54

PSA 10 $221.03 +14,253%

#26

Magearna-EX

#75 · Rare Holo EX

Raw $1.53

PSA 10 $126.14 +8,144%

#27

Ampharos

#40 · Rare Holo

Raw $1.45

PSA 10 $547.79

#28

Infernape

#20 · Rare Holo

Raw $1.40

PSA 10 —

#29

Hoopa

#51 · Rare

Raw $1.07

PSA 10 —

#30

Shiftry

#11 · Rare Holo

Raw $1.00

PSA 10 —

#31

Xerneas

#81 · Rare Holo

Raw $0.96

PSA 10 —

#32

Volcarona

#15 · Rare

Raw $0.91

PSA 10 $1,500

#33

Gastrodon

#29 · Rare

Raw $0.79

PSA 10 $35.00 +4,330%

#34

Nidoking

#45 · Rare

Raw $0.77

PSA 10 —

#35

Talonflame

#96 · Rare

Raw $0.70

PSA 10 —

#36

Yveltal

#65 · Rare Holo

Raw $0.63

PSA 10 $479.10

#37

Larvesta

#14 · Common

Raw $0.62

PSA 10 $65.00 +10,384%

#38

Klang

#72 · Uncommon

Raw $0.61

PSA 10 —

#39

Avalugg

#37 · Rare

Raw $0.56

PSA 10 —

#40

Bastiodon

#70 · Rare

Raw $0.53

PSA 10 —

#41

Tangrowth

#2 · Uncommon

Raw $0.48

PSA 10 —

#42

Galvantula

#42 · Rare

Raw $0.46

PSA 10 $153.19

#43

Armaldo

#57 · Rare

Raw $0.46

PSA 10 —

#44

Ambipom

#91 · Uncommon

Raw $0.46

PSA 10 —

#45

Pokémon Ranger

#104 · Uncommon

Raw $0.45

PSA 10 $40.40 +8,878%

#46

Klinklang

#73 · Rare Holo

Raw $0.45

PSA 10 $63.00 +13,900%

#47

Mantine

#27 · Common

Raw $0.44

PSA 10 $59.00 +13,309%

#48

Foongus

#12 · Common

Raw $0.42

PSA 10 —

#49

Drifblim

#47 · Uncommon

Raw $0.42

PSA 10 —

#50

Marill

#76 · Common

Raw $0.42

PSA 10 —

#51

Hydreigon

#86 · Rare Holo

Raw $0.42

PSA 10 —

#52

Captivating Poké Puff

#99 · Uncommon

Raw $0.41

PSA 10 —

#53

Probopass

#55 · Rare

Raw $0.40

PSA 10 —

#54

Cobalion

#74 · Rare

Raw $0.40

PSA 10 —

#55

Special Charge

#105 · Uncommon

Raw $0.39

PSA 10 —

#56

Weavile

#61 · Rare

Raw $0.39

PSA 10 —

#57

Samurott

#32 · Rare

Raw $0.38

PSA 10 —

#58

Jumpluff

#5 · Rare

Raw $0.38

PSA 10 —

#59

Volcanion

#25 · Rare

Raw $0.36

PSA 10 $149.25

#60

Rufflet

#92 · Common

Raw $0.36

PSA 10 $80.00

Which Steam Siege cards are worth grading?

Short answer: 5 cards show a positive expected profit after grading, shipping and selling fees. Best is M Gardevoir-EX #112, about $260.84 per card on average, with a 33% chance of a PSA 10. Biggest trap: Pokémon Ranger #113 has a big PSA 10 price ($130.27) but averages a loss of $27.54 per card.

Expected profit = chance of each PSA grade from PSA population data, times its price, minus the raw card, grading, shipping and selling fees. An estimate, not a promise. See the full grading report.

Best PSA 10 upside in Steam Siege

Biggest gap between raw and PSA 10 price, before grading fees (cards of $5 and up).

Steam Siege: common questions

What is the most valuable card in Steam Siege?: Gardevoir-EX #116 is the most valuable Steam Siege card we track, at about $110.82 raw and $2,008 as a PSA 10.
How often do Steam Siege cards grade a PSA 10?: Across 28,073 PSA submissions from this set, about 30.1% received a PSA 10.
Which Steam Siege card has the best grading upside?: Magearna-EX #110 shows the biggest gap between raw and PSA 10 price among the top cards, +8,562% before grading costs and without the chance of not getting a 10.

Find the Steam Siege cards worth grading

CardHunt scans live eBay listings against PSA population data and shows which raw cards have the biggest PSA 10 upside. Try the grader on your own card for free - no account needed.

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