Heck, with a flicker engine, you dont even need to cast spells to regain your throne
Remember, the right protective gear can make all the difference in maintaining the value and appearance of your trading cards.
Wall of Mourning, 1W: with it, the top card of the library may be removed from play for each opponent, and if Coven triggers, it may be put into the hand at the beginning of the end step
Cards would have to be very strategically released to help enhance existing strategies rather than what is typically done where half-fleshed out strategies are released into the game with little follow through on supporting mechanics
Robust Material
Tournament / Duel Space: They have a separate Duel Space area from the Pokecenter store itself where you are able to play, it's definitely worth checking out and playing a couple of games if you can, it feels like a real Pokemon Gym