I acknowledge some cards that might be good in cubes that focus on broad archetypes, like graveyard or artifact synergies, plus a few bangers for Pauper or Peasant Cube, but thats as narrow as the scope goes
Don't stray off-topic
Home Sets [ST06] Absolute Justice [ST06] Absolute Justice One Piece Card Game Set Loading
It used to have a way to leverage a higher land count, but Sunscorched Desert is a joke and Scavenger Grounds is super conditional
After banishing a monster, Accesscode Talker can destroy a card the opponent controls and be activated multiple times in one turn
Like the 2020 Tin, each 2021 Tin of Ancient Battles will contain 3 extra-large Mega-Packs, each with 1 Prismatic Secret Rare, 2 Ultra Rares, 2 Super Rares, 1 Rare, and 12 Commons