Nothing fancy, but evoke makes sure it gets the job done at two different points on your curve
Spot removal on creatures like Sakura-Tribe Scout and Azusa, Lost but Seeking, especially on Turn 1 or 2, is another good option for slowing the deck down, although it's pretty easy for the deck to overwhelm targeted removal once Primeval Titan comes online
It follows, then, that protection from everything is profoundly powerful, as it means "this card can't be blocked, targeted, enchanted, or damaged by anything." A Creature with protection from everything can't be blocked, can't be targeted by Lightning Bolt or Slice from the Shadows, and can't be locked down by a Pacifism or Icy Manipulator
The Ur-Dragon The Ur-Dragon isnt only a top-tier dragon commander deck, but one of the strongest typal commanders of all time
This time around, Aladdins Jafar and The Little Mermaids Ursula are getting the premiere Legendary treatment
You get to take advantage of staying alive via lifegain synergies, and you can use edict effects to keep opponents in check