Taking the core rules of Magic, and slightly tweaking the rules really opens up the game to a whole world of deck types, crazy combos and otherwise useless cards seeing a tonne of play
You can use that ability, and still attach one energy card to a Pokmon
Teferis Moat is one such example where the reference is quite clear, although it puts a different spin on things by caring about the color of creatures that want to attack you
Its pretty common to play this on turn three before you play your land for the turn to ensure it works, and it can contribute a fair bit of damage in the early turns, too
If you want to outsmart your opponent and win the game slowly but surely, youll want to consider playing a control deck
This effect can be made even better by including self-milling effects like dredge to help fill your graveyard