A Pokmon cards value is generally determined by the combination of two factors: the rarity, and the playability
Note it has to survive each time to deal more damage later
(Dont apply Weakness and Resistance for Benched Pokemon.) Pokemon ex rule: When your Pokemon ex is Knocked Out, your opponent takes 2 Prize cards
Squirtle (Illustration Rare) $134.99 Card Number: #170/165 Rarity: Illustration Rare In this Starter Pokmon's Illustration Rare, we see Squirtle playing alongside the shallows at the beach
But from the $66 bottom the card has done in English what it did in Japan: climbed steadily, one of only two cards in the set (alongside Morpeko) to gain over the past two weeks
I still think firebending is a really weak ability, but if its going to get some use anywhere, making it both feed back into the card its on (by the new spells cast triggering prowess) and scale with each card played beforehand (also because of prowess) is the best possible option