There is at least one infinite combo worth looking into
Upgrading the deck to a competitive one would entail getting an entirely new Sapphire Steel deck
Alongside a playable foil promo card featuring this pretty pastel Pokemon, plus an oversize card suitable for display, you will find extra treasures in a handful of Pokemon TCG booster packs
It cost only 1 mana and the discard effect is free, so it means you could have madness card be played from the very next turn
Teasing out the individual features such as a fist, a tentacle, or a symbol are all useful to eliminate possibilities
PRIMO, THE UNBOUND Free to find math for blockers on their own time, Primo here can trample over a large amount of damage if you put the mana into it