Activate only as a sorcery." "Saddled" isn't an ability that a creature has
To thwart their plan, Bolas traveled to Tarkir
First up, a card that triggers the Commander, but can also redirect some damage away from you which will hopefully trigger the other part of YShtola, too
Watermark: Quandrix Illustrated by Lucas Graciano Standard Legal Alchemy Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
For the former, you can use Coastal Piracy to have tokens available for defence after each unblocked attack, any card drawn can be combined with Mystic Redaction, Sphinxs Tutelage or Psychic Corrosion, the Mystical Tutor and Solve the Equation help us find the right cards for any strategy, for example Time Warp, Pyromancers Goggles or Swarm Intelligence (matching the Commander)
Add in some backup tutors and you have a combo deck