Undersea Ruins
Effect
This card stays in play when you play it. Discard this card if another Stadium card comes into play.
Once during each player's turn (before attacking), that player may flip a coin. If heads, that player chooses 1 of his or her Evolved Pokémon in play and discards the top Evolution card from that Pokémon, devolving it.
Details
Legality
- Standard
Not legal
No regulation mark
- Expanded
Not legal
Released before the Black & White Series
- Gym Leader Challenge
Not legal
Released before the Black & White Series
- Unlimited
Legal
Market price
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Graded prices
PSA 10
$380
Normal / eBay / updated Jul 28, 2026
PSA 9
$39.95
Normal / eBay / updated Sep 27, 2026
CGC 10
$15.50
Normal / eBay / updated Jan 7, 2025
CGC 9
$8.50
Normal / eBay / updated Jan 26, 2025
