Even in EDH, you can go off when you have Professor Onyx in play and cast or copy a bunch of instants or sorceries
Prismari Command + Ashling's Command Prismari Command and Ashling's Command are the exact kind of cards you want in a control deck
The ability to find a Bojuka Bog by Turn 3, either via Primeval Titan or Tolaria West, and then recur it via bounce lands means that Dredge is under a lot of pressure to get on the battlefield early, and between Zacama, Primal Calamity and Hornet Queen, Amulet Titan has the ability to stabilize the battlefield
I'd highly recommend playing the free online Pokemon TCG Live game with the free deck to get use to the game flow and rules
Protection Racket is a false promise that lures you with card advantage but puts your best cards at risk
He makes for a solid mono-white equipment commander, though you're more likely to see him in the 99