The latter two are mostly about setting up Elder Deep-Fiend chaining, but the strict mirror is quite intricate
you wont be starting with any of the top tier 1-4 * monsters (who can be summoned without any general restrictions) like many of the Duelists will, putting you on the backfoot from the start, and theres no indication as to which boosters contain what cards (outside of its signature card, i.e Dark Magician or Red-Eyes Black Dragon) which could help with building towards a particular deck
Coalossal costs 150 Pack Points to craft
She wants us to control creatures with base power and toughness of two, but leaves the rest up to you: you could build a Bears kindred deck, a stax-y hate bears version, lean into morph, go completely creatureless like I did, or even have her helm a Slivers brew
Own a Pokemon Sword & Shield Battle Styles sealed booster box at Bleecker Trading