A new Samurott and Wash Water Energy have just been revealed from S4 Shocking Volt Tackle! The set releases in Japan on September 18th. Thanks goes to Bangiras for translations!
Ability: Shell Armor
This Pokemon takes 30 less damage from attacks (after applying Weakness and Resistance).
[W][C][C] Aqua Wash: 120 damage. You may return 2 Energy cards from your opponent’s Active Pokemon to your opponent’s hand.
Weakness: Lightning (x2)
As long as this card is attached to a Pokemon, it provides 1 [W] Energy.
Prevent all effects of attacks from your opponent’s Pokémon done to the [W] Pokemon this card is attached to. (Existing effects are not removed. Damage is not an effect.)