The ability to pay life to draw as many cards as you can afford is not a joke and is definitely one of the most powerful mechanics ever printed in a Magic the Gathering card
A lot of players start small (one card, a handful of upgrades) and then print a bigger batch later once the list is locked in
Like most Pokmon cards, the value of Charizard ex depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Scarlet & Violet Black Star Promos)
...so now is probably a pretty good time to get your bid in I left one of these in my pants as a kid and my mom washed it
Greninja ex (Journey Together, 214/167) : With its sleek ninja design and water-type synergy, Greninja ex commands $350 or more
There are times when we cast a Possibility Storm without having the Endless One, and when this happens, we want to know what spells we might Possibility Storm into when we cast something