Rafaam Curve
What is Rafaam Curve (Why is it good!)
Rafaam curve is named after the minion-stealing Rafaam: its goal is to use 1 cost heropowers every turn in the earlygame for maximum utility, while picking up useful tier 1 minions (similar to warrior curve). Rafaam curve levels to tier 2 on turn 4 (6 gold), to be able to heropower every turn without wasting gold.
Which Heros should play Rafaam Curve
Rafaam curve is strong on heroes with 1 cost heropowers that provide value. Examples are Rafaam, Maiev, Mukla, etc.
Heroes with 1 cost heropowers that should not play rafaam curve are those like Toki, Tess, or Saurfang, who do not gain any extra value out of every heropower.
Tribes:
Rafaam curve is not specifically aiming to make use of any specific minion type: since its main goal is to utilize specific heropowers, which tribes are best will depend on the heropower you are using.
Turn 1 (3 Gold
buy a minion
Turn 2 (4 Gold)
buy, heropower
Turn 3 (5 Gold)
roll, buy, heropower
Turn 4 (6 Gold)
level, buy, heropower
Turn 5 (7 Gold)
level, heropower
Turn 6 (8 Gold)
level, heropower