Archetypes for the cube are very loose. Also, colors are doing things a little differently in spots. Red has wraths and green has the most instants and sorceries.
(Primary / Secondary)
WU = Spells / Go-wide
UB = Sabouteurs / Sac
BR = ETB / Graveyard Recursion
RG = Ramp Control / 5 Color
GW = ETB / Go-wide
WB = Sac / ETB
BG = GY Matters (Delirium, Spider Spawning, Descend, etc)
GU = Spells / Delirium
UR = Delirium / Spells
RW = Go-wide / ETB