Send Mad Archfiend from your hand to the graveyard as cost for using One for One 11
So, they decide to stay and train more (At this point, you won't be able to duel the Dueling Machine until you finish the side quest)
They aimed to ramp to Karn with creatures that were chump blockers at best, and that could easily lead to a useless Mycosynth Lattice on the battlefield and no planeswalker to make it matter
8 Morpeko Is The Only Electric/Dark-Type Introduced in gen 8, Morpeko has the category of Two-Sided Pokmon, so called because it can appear cute and friendly, but it has a Hangry Mode, when it becomes the opposite
If it does, Halve the ATK of this card before attacking, until your next Standby Phase
If you're interested in all the best chase cards from Perfect Order, but don't have a particular preference, then this is a fun way to almost guarantee you get one, with some randomness to keep things fun.