If I had to venture a guess, Id say most decks should run no more than 20 but thats a ballpark figure
However, since its a Pokemon from the original 151, it will command higher prices than later Pokemon, even in more recent card sets.
I ended up with a 3/6 creature, my opponent lost three life, I destroyed a creature, and I basically cycled my hand
Then exile it.) Sorcery Chocobo Kick KickerReturn a land you control to its owner's hand
Im just pointing out that this card is a Draft uncommon these days, with stats that could easily be on rare or mythic cards
As a result, Intrepid Adversary is a great creature to throw down at any even point on the mana curve, as long as you already have creatures on the battlefield