This Pokémon is both [W][D] type.
[W] Power Blow: 10+
Does 10 damage plus 10 more damage for each Energy attached to Team Aqua’s Walrein.
[W][W][C][C] Hydro Reverse: 50+
You may return any number of basic [W] Energy cards attached to all of your Pokémon to your hand. If you do, this attack does 50 damage plus 10 more damage for each Energy you returned.