While I have included a few cards you wouldn't put in a drafting cube for being too narrow I have not included things like Ichorid and Nether Shadow, there are a couple of places in constructed cube formats where you can play those cards but you are essentially building around them and the decks are not even that good
Bloodthirsty Conqueror Bloodtithe Collector Crossway Troublemakers Driver of the Dead Elenda, Saint of Dusk Gatekeeper of Malakir High-Society Hunter Highborn Vampire Immersturm Predator Kalastria Highborn Marauding Blight-Priest Nullpriest of Oblivion Pulse Tracker Sanguine Syphoner Stromkirk Bloodthief Vampire Gourmand Vampire Interloper Vampire Neonate Vampire Nighthawk Vampire Soulcaller Vampire Spawn Vengeful Bloodwitch
3DCG illustrations help put these elements together very quick, and they allow you to apply the change in as many ways as you want
Like all of the alternative Commanders Im going to propose today, they arent of the type that the deck is built around
With Hazel's ability to generate mana, I don't think you are going to struggle to cast the few 6+ mana cards
Tyrogue (Fantastical Parade) is not available in Regular Packs