There have been a handful of Grass/Psychic-type Pokemon over the years, with Legendaries, Mythicals, and Paradox Pokemon all ...
As with all the types, Pokémon under this classification can vary drastically in how strong they are, particularly when evolved into a Mega Evolution. Many Water-types are also combined into dual ...
There are simply many more strong Water-type decks than any other type in the game. Again, it's worth emphasising the word "prominent" here. "Strength" is slightly debatable - a card being Water ...