The Technician avoids that
Red offers discard outlets like Faithless Looting and powerful cards like Sneak Attack if theyre in the Cube, green offers Survival of the Fittest to go with Recurring Nightmare for the classic Rec Sur archetype, and white offers Unburial Rites as well as the ability to cast some unbeatable monsters like Elesh Norn, Grand Cenobite
If it wasnt banned, good ol Emrakul would be my pick for the number one colorless commander
Discovery / Dispersal Discovery was an overpriced Preordain, which is probably good enough with the upside of being able to cast Dispersal later in the game to answer a key threat
First, its effect applies to counters of any kind, making everything from your planeswalkers to your Door of Destinies more effective
This one is for the players, Night Stretcher was first introduced back with the Shrouded Fable expansion and crept it's way into a lot of players decks being very common amongst decks featuring Teraoagos, Snorlax, Regidrago and Gardevoir