Undersea Ruins (MODAQP 138)

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.

Pokémod Aquapolis

138

Uncommon

Undersea Ruins Pokémod Aquapolis 138