With trainers like Sabrina and Giovanni, you can maximize Machamps impact in each round
The cards needed to complete this deck include Nihilego x1, Mega Absol ex x1, Deino x2, Hydreigon x2, Cyrus x1, Pokmon Center Lady x1, Rare Candy x2, Poison Barb x2, Copycat x2, Lucky Ice Pop x1, Hiking Trail x1, Pok Ball x2, and Professor's Research x2
Not only does Akroma's Memorial provide a ton of powerful abilities like flying, trample, and first strike, but it also gives protection from black and red for extra strength
It's also an interesting black draw in a multi player format like commander, where you would have options for how many cards to draw (and life to lose,) based on the chosen player's graveyard
Across the franchise, the trainer has been seen battling with a Zoroark in Ns Castle, and there have even been suggestions that N himself could be a disguised Zoroark (owing to the Pokmons ability to copycat others)
Planar Portal is already full of powerful exile effects like Etali, Primal Storm and Dire Fleet Daredevil, so theres a solid base on which you can build