The best cube I can built with my limited time, budget and collection.
This cube has 90 added cards and a larger colorless section, with an added colorless-theme.

Archetypes:W - Soldiers/AggroU - Tempo/ControlB - Recursion/ControlR - Aggro/BurnG - Ramp/5-colorsWU - Flicker/Artifacts matter
UB - Control/Artifacts matter
BR - Aggro/SacrificeRG - Stompy/MidrangeGW - Enchantments/ProliferateWB - Sacrifice/LifegainUR - Spells/TempoBG -
Recursion/Sacrifice
RW - Tokens/AggroGU - Proliferate/EnchantmentsC - colorless matters/ramp