Archetypes:
U/x Madness / Spells in GY Matter / Flashback (including unearth/disturb/escape)
B/x Madness / Reanimator / Sac / Self-Mill
R/x Madness / Sac / Spells in GY Matter / Flashback
G/x Flashback / Sac / Self-Mill
W/x Sac / Reanimator / Flashback