She lets you control your impulse effects and cascades by keeping something good on top and not drawing it so you can cascade or impulse it instead when you need it
In fact, three of the top ten most valuable Pokmon cards ever sold on eBay have been Charizards
However, you're not guaranteed to get them on your first try, so you may have to take advantage of all the time you have before the event ends
But the nuclear option is Ruinous Ultimatum, which destroys all nonland permanents your opponents control while it leaves your stuff untouched
Its a whole other level of the game, Ive learned, just making these minor adjustments, working out ifsayhaving a Lady card in your deck, that lets you pull four Energies from the deck in one turn, is more efficient than loading up with so much Energy that you can rely on the odds of their landing in your hand