Especially as a way of discussing decks or showing Arena gameplay from their channels
Since Livio only costs 2 mana to cast, and 2 additional mana per creature you exile with an aegis counter, you can easily start setting this up early in the game, as commander tax is unlikely to render this commander unplayable later on
Saddles are optional to make the likes of Vryn Wingmare, Shepherd of the Clouds, and Moonshaker Cavalry run wild
Its a 5/4 body with first strike for a total mana value of five, which is already pretty decent, but it also consistently creates tokens and can eventually become a way to draw cards
Now take a look at the MM17 mythic offerings by comparison
Also late enough with enough pressure that you can easily put the lessons you find to good use while your opponent deals with your 5/4