Lake Acuity (Lost Origin 160/196)
0

All Pokémon that have any Water or Fighting Energy attached (both yours and your opponent's) take 20 less damage from attacks from the opponent's Pokémon (after applying Weakness and Resistance).

Card rule

This Stadium stays in play when you play it. Discard it if another Stadium comes into play. If a Stadium with the same name is in play, you can't play this card.