This is fiddly, but powerful, and its likely a Commander staple
Its only one treasure in each turn, but if players across the table are in decks the predominantly draw cards in other peoples terms this could net you a solid 3 mana per turn cycle
Conversely, an opponent might try to stall you by presenting Pokmon that are difficult to knock out, forcing you to use more resources than necessary, while they set up their own win condition
Overall, the Fighting-type is in an awful state right now , but with Mega Lucario ex waiting around the corner, this could finally change
I don't mean like, rule 0 forbid them to use it, I mean mechanically
His -7 ability will cause any number of target players, which could include yourself, to draw 20 cards