How many archetypes should a 180-card MTG micro cube support

Advanced Search Sets Random Syntax Abhorrent Overlord Abyssal Harvester Abyssal Persecutor Ammit Eternal Apocalypse Demon Arbiter of Woe Archdemon of Greed Archdemon of Paliano Archdemon of Unx Archfiend of Depravity Archfiend of Despair Archfiend of Ifnir Archfiend of Sorrows Archfiend of Spite Archfiend of the Dross Awoken Demon Baleful Ammit Blade of the Oni Bloodgift Demon Bloodletter of Aclazotz Bringer of the Last Gift Burning-Rune Demon Carnifex Demon Conductor of Cacophony Crabomination Death-Rattle Oni Defiling Daemogoth Demon Wall Demon of Catastrophes Demon of Dark Schemes Demon of Death's Gate Demon of Fate's Design Demon of Loathing Demon of Wailing Agonies Demonic Covenant Demonic Hordes Demonic Taskmaster Demonlord Belzenlok Demonlord of Ashmouth Desecration Demon Doom Whisperer Doomsday Excruciator Dread Cacodemon Dreadfeast Demon Dreadhound Dream Devourer Eater of Hope Embodiment of Agonies Enemy of Enlightenment Etched Host Doombringer Extractor Demon Feaster of Fools Goremand Great Unclean One Grinning Demon Griselbrand Gurmag Rakshasa Gutwrencher Oni Halo Hunter Harvester of Souls Havoc Demon Hellcarver Demon Herald of Anguish Herald of Torment Hezrou Hidetsugu, Devouring Chaos Hollowborn Barghest Indulgent Tormentor Infernal Denizen Infernal Sovereign Infernal Spawn of Infernal Spawn of Evil Infernius Spawnington III, Esq.

Every card carries historical weight as part of the games first print run
Buy a single deck if you want one specific Commander, want the cheapest possible starting point, or only one of the precons in a set appeals to you
Lastly, the final card in the series shows Emboar sat between the original child
Whenever you cast a noncreature spell, Birds, Frogs, Otters, and Rats you control get +1/+1 until end of turn