you'll only need the usual Nest and Ultra Balls to draw Pokemon, the Super Rod to recover fainted Pokemon, the Rare Candies to evolve Larvitar into Tyranitar quickly, and the Switches and Escape Ropes to retreat a Pokemon at no cost
It will blow up all of those nasty tokens, and there are tons out there
Interestingly, its a Basic Pokemon, rather than a Stage 2, so it can be used immediately rather than needing to be evolved
Magic has so many creature types that you rarely have to worry about this not hitting your opponent's biggest threats, and in the very worst case scenario, it's gonna be a convokable sweeper that exiles artifacts and enchantments
Commander could always use more aggressive decks, and this is one of the strongest options to lead it
(2019-07-12) If you control more than one Bag of Holding, you choose which one will hold the discarded card