I personally do not like the card a ton, as it does not generate very interesting games in my opinion
Unfortunately, whats impossible to account for are the Decks that are already good at incorporating something like this
There are a lot of interesting tools to build an Eevee-focused deck of just about any type with Water getting the clear boost thanks to Vaporeon and Glaceon both being Water-type but nothing in particular appears to be game-changingly strong, although a few cards might slip into some of the best meta decks in Pokmon TCG Pocket
Not every deck is going to be able to play Field of Ruin
Cards like Nimble Obstructionist and Tales End can stop planeswalker activations, enter the battlefield triggers, or even Aetherflux Reservoir salvos
If youre building a white deck, you might also be interested in reading our article on the best white card draw in Commander