The primary theme of Deadly Disguise is the new disguise keyword , which works a lot like morph
(Those creatures return under their owners control.) The last hedron slotted into place, locking Ulamog in an infinite loop of binding energy
In my games with it so far, Ive enjoyed mirror versions of Archon of Cruelty, Farhaven Elf, and even Nyxbloom Ancient
Bracket three is where most "average" Commander decks are, whereas bracket four houses decks that are very strong, but not quite cEDH tier
You can also play into an aristocrats strategy, where you sacrifice your own creatures for your benefit, using your Humans as a resource to drain your opponents' life totals without even going to the combat step
Cartel Aristocrat is the better card in these kinds of deck but Yehenni is easier to cast while fitting in more versions of the deck and that is pretty much that