The cube has set archetypes which go as follows

UW - Fliers / Tokens

UB - Rogues / Artifact Shenanigans

RB - Sacrifice / Discard

RG - Landfall / Ramp

GW - Tokens / Enchantments

BW - Tokens / Sacrifice

UR - CounterBurn / Spellslinger

GB - Sacrifice / Graveyard

RW - Vehicles / Tokens

UG - Counters / Walkers