Fun with cheap cards
The cube is geared toward midrange strategies (no dedicated control or aggro). Most decks can (and likely should) be 2-3 colors, though 4-5 colors may be feasible, depending on how fixing is prioritized.
Draftable archetypes include:
Aristocrats / Sac
Blink
Tokens
Tempo
Skies
Flash
Blitz / Prowess
Graveyard Value Pile
Greed Pile (WUBRG)