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Foongus
Steam Siege · #12 · Common
🎨 Illustrated by Yuka Morii
PokémonGrass
$1.07
HP 40·GGrass·Basic
AbilityPlay Ball
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.
GRam10
Weakness R ×2Retreat C
It lures Pokémon with its pattern that looks just like a Poké Ball then releases poison spores.
Foongus is card #12 of 114 in Steam Siege (2016), a Common illustrated by Yuka Morii. At about $1.07 it is the #35 most valuable card in the set. In a Steam Siege booster it turns up about once every 6 packs. It is one of 11 Foongus cards printed so far.
Open a Steam Siege pack right hereA free digital pack with the set's real pull rates. Nothing to buy, no signup.
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In the Steam Siege set
- 📅 2016 · XY · 114 cards
- 🎯 Appears about 1 in 6 Steam Siege packs
- 💎 The #35 most valuable card in Steam Siege (of 116)
What it's worth graded
Ungraded
$1.07
PSA 8 · NM-Mint
$1.50
PSA 9 · Mint
$2.46
PSA 9.5 · Mint+
$3.42
PSA 10 · Gem Mint
$5.35
Estimates: the ungraded market price times the typical premium a slab of that grade gets for a card from this era. Real sales vary, especially for PSA 10s. How grading adds value
Foongus through the years
2011Noble Victories
2012Dragons Exalted
2013Plasma Storm
2016Steam Siege
2019Unified Minds
2022Silver Tempest
2023Obsidian Flames
2025Black BoltMore by Yuka Morii
More from Steam Siege
Tangela
#1$0.42
Tangrowth
#2$0.52
Hoppip
#3$0.36
Skiploom
#4$0.47
Jumpluff
#5$0.54
Yanma
#6$0.28
Yanmega
#7$0.53
Yanmega BREAK
#8$2.95
Seedot
#9$0.31
Nuzleaf
#10$0.45
Shiftry
#11$0.73
Amoonguss
#13$0.43
Larvesta
#14$0.72
Volcarona
#15$3.58
Ponyta
#16$0.56
Rapidash
#17$0.72
Chimchar
#18$0.48
Monferno
#19$0.59
See the full Steam Siege card list
Questions
How much is Foongus (Steam Siege) worth?
An ungraded Foongus from Steam Siege sells for about $1.07. A PSA 10 is worth more, roughly $5.35 by our estimate, and a PSA 9 around $2.46.
How rare is Foongus?
It is a Common, and it shows up about once every 6 Steam Siege packs.
Who illustrated Foongus?
Yuka Morii drew the art for this card.
Can I open Steam Siege packs for free?
Yes, as a digital simulator. Holobrook lets you open Steam Siege booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.
Holobrook · a free Pokémon booster pack opening simulator and digital binder · Steam Siege