Azumarill

The bubble-like pattern on its stomach helps it camouflage itself when it's in the water.

Polka-Dot Search: Look at the top 8 cards of your deck and attach any number of Energy cards you find there to your Pokémon in any way you like. Shuffle the other cards back into your deck.

Play Rough (60+): Flip a coin. If heads, this attack does 30 more damage.