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Foongus Steam Siege #12 Pokémon card
Common

Foongus Steam Siege #12

Card #12 · Illustrated by Yuka Morii
40 HPGrassPokémonBasic
Ungraded · blended
$0.72
10.3% · 30d
Range $1 → $1
1 grading company tracked
Confidence high · How we price →
Raw$0.72
PSA 948.6× raw$35
See live listings on TCGplayer →

Foongus is a Common Pokémon card from Steam Siege (#12), illustrated by Yuka Morii. It's a Basic Grass-type Pokémon with 40 HP, weak to Fire ×2. Its current blended market value is $0.72 ungraded. Prices are aggregated across marketplaces — raw and graded, updated daily and shown in your local currency.

Prices last updated 2 July 2026.

Raw price by condition
Reverse Holofoil · live market via TCGplayer
NMNear Mint$0.69
LPLightly Played$0.48
MPModerately Played$0.37
DMGDamaged$0.23
7-day 11.3%
30-day 16.9%
90-day 43.8%
All-time high$1
All-time low$0
Other printingsNormal · $0.30

Price by variant

Reverse Holo$1
Normal$0

TCGplayer market price per printing — reverse holo, 1st edition and unlimited often differ sharply.

Graded prices
Ungraded (raw)$0.64
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 9$35$35$35
“Sold” = median of real recent eBay sold listings at that grade. Other figures are blended marketplace estimates. Confidence reflects the price spread — not PSA-official values.

Price history · raw near-mint

1 Aug 20231 Jul 2026
Current
$0.99
Period high
$1.78
Period low
$0.63
Change
16.8%

Recent sold prices

No recent sold listings tracked.

Population across graders

PSA7 gradedPSA 10 · 0 · 0% gem rate
95
81
71
CGC32 gradedCGC 10 · 3 · 9% gem rate
103
9.51
94
8.52
812
Real graded population from PSA, CGC & BGS — a lower gem rate means a Foongus 10 is harder to pull.

Should you grade it?

$36
Raw $0.72 → graded PSA 9$35.00
after ~$70.34 grading fee → 48.6× the raw value
Target gradeEst. valueGrading feeNet vs rawMultiple
PSA 9$35.00$70.34$3648.6×

Net = graded value − raw value − grading cost (tier fee + ~$20 round-trip shipping), using PSA fees as of 2026-06-28; the paused PSA Value tier is excluded so this isn't overstated. Real outcome depends on the grade achieved; PSA 10 is best-case.

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Where to buy

Check recent sold prices

Cross-market prices

38% spread
TCGplayer · cheapest$1
PriceCharting · dearest$1

Currently 38% cheaper on TCGplayer than PriceCharting. These are independent market prices for the same card — a wide gap can mean a buying opportunity. Informational only, not arbitrage advice.

Market signal

Momentum · 30dRising +10%
Cross-marketMarkets disagree 38% gap

Derived from this card's 90-day price history, recent trend and cross-market price gap. Informational, not advice.

🇪🇺 Cardmarket price · Europe

75% cheaper than the US
Cardmarket · Europe's largest card market$0

Card text

Play Ball · Ability
When you play this Pokémon from your hand onto your Bench, you may put 3 Poké Ball cards from your discard pile into your hand.
Ram10
Grass
Weakness Fire ×2Retreat 1

It lures Pokémon with its pattern that looks just like a Poké Ball then releases poison spores.

About the Pokémon

Mushroom PokémonGEN VFoongusAmoonguss

It lures people in with its Poké Ball pattern, then releases poison spores. Why it resembles a Poké Ball is unknown.

Card details

Number#12
RarityCommon
SupertypePokémon
SubtypesBasic
TypeGrass
HP40
WeaknessFire ×2
Retreat cost1
National Pokédex#590
Card IDxy11-12
SourceAggregated marketplaces

Other Foongus cards

There are 9 different Foongus printings — make sure you're valuing the right one. This is Steam Siege #12 (Common).

More from Steam Siege

Frequently asked questions

How much is Foongus (Steam Siege #12) worth?

As of 2 July 2026, Foongus from Steam Siege is worth approximately $0.72 ungraded (near-mint). Values are blended from real Cardmarket, eBay sold and TCGplayer prices and update daily.

Is Foongus rare?

Foongus is a Common card from Steam Siege (card #12), illustrated by Yuka Morii. Its current blended market value is $0.72 ungraded.