Steam Siege · XY · Released Aug 3, 2016
$2.59
Market price · Raw NM · Reverse Holo · as of Oct 12, 2026
Attacks
Double Thread
Colorless · This attack does 30 damage to 2 of your opponent's Pokémon. Also apply Weakness and Resistance for Benched Pokémon.
Electroweb
30
Lightning · The Defending Pokémon can't retreat during your opponent's next turn.
When attacked, they create an electric barrier by spitting out many electrically charged threads.
+$1.48 (133.33%)past year
Price history for Raw NM, 1Y window: from $1.11 on Oct 12, 2025 to $2.59 on Oct 12, 2026, across 179 points.
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Total graded
23
Gem rate
4.3%
4 sales on record · Reverse Holo · latest Dec 14, 2025
| Date | Price | Grade | Marketplace | Listing |
|---|---|---|---|---|
| Dec 14, 2025 | $18.80 | PSA 8 | ebay | 2016 POKEMON XY STEAM SIEGE #42 GALVANTULA-REVERSE FOIL PSA 8 |
| Nov 20, 2025 | $7.00 | PSA 8 | ebay | 2016 Pokemon XY Steam Siege Reverse Holo Galvantula #42 PSA 8 |
Free plan shows 1 year of sales history.Upgrade for deeper history →
Past performance is not indicative of future results.
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