This will be a 540 card cube focusing on guild based gameplay! The distributions were thought out ahead of time per color. 26 generic cards, and then 12 cards for that color for each guild that color is in. Along with of course artifacts and lands(50 generic artifacts, 50 lands/mana artifacts). Archetypes in this cube are:
Azorius Blink
Dimir Theft
Rakdos Dies
Gruul Landfall
Selesnya Humans
Orzhov Aristocrats
Izzet Spellslingers
Golgari Graveyard
Boros Tokens
Simic Growth