This is the first itteration of the cube.
WU - Blink
UB - Artifacts
BR - Sacrifice
RG - Madness/Self Discard
GW - Counters
WB - Tokens
UR - Spells matter
BG - Graveyard matter
RW - Cycling
GU - Landfall/Non creature token makers
The color pairs are supposed to be guidelines, but there is plenty of overlap and synergies outside of the given archetypes/color pairs
The cube will not have any;