In their pull rates, it was found that this full-card alternate artwork version of Caterpie had a 0.17% chance of being pulled which, if true, would make it the rarest of cards in the Pokmon TCG : Scarlet & Violet - 151 set
But it just doesnt keep up with the decks that can win on turn 3 or 4 in the format
Seriously, though, the simplest answer to this question is at least 50 for Commander
Filled with courage and determination, Mega Greninja ex gathers other powerful Mega Evolution Pokmon ex, including Mega Pyroar ex and Mega Dragalge ex, to ward off this growing threat." In the box, you'll find nine Chaos Rising booster packs, a full-art foil promo card, 40 energy cards, and 65 exclusive Greninja card sleeves, along with your standard competitive TCG dice and fare
One copy may be fine for a niche support Pokmon
There may be scratches, etc