Brainstorm Ponder Expressive Iteration Fevered Visions Jori En, Ruin Diver Rielle, the Everwise Firemind's Research Yusri, Fortune's Flame Jhoira, Weatherlight Captian Kraum, Ludevic's Opus Niv-Mizzet, the Firemind The Royal Scions Ral, Izzet Viceroy Squee's Revenge Aegar, the Freezing Flame Rhystic Study Counterspells with a hint of Redirection It's not blue without a counterspell or two
This is because you are more likely to see a specific common in any given card pool than a specific rare
It's one of the few ways for mono black to remove enchantments, which is sometimes necessary, as certain enchantments can completely remove your commander from the game
Just try and give it trample somewhere along the way too, okay
Given how powerful Reanimator is when its properly supported, its not going to be a value-added archetype in a lot of environments