If you want more variance between drafts, or if you plan on supporting up to ten players , you'll need to increase your size, with 450 and 540 being the next most common cube sizes
Rowan, Scion of War have its place in Commander, and Rowan, Scion of War pulls it off with aplomb, facilitating huge, potentially game-ending plays with ease
Lotus Cobra generates a silly amount of mana, Tatyova, Benthic Druid draws a crazy amount of cards, and Avenger of Zendikar becomes an instant game-ender
However, in actual play it can be rather confusing always having to look into the legend
There are a number of sacrifice outlets built into the deck to take advantage of mobilize tokens before they go away, but Id hesitate to call this an aristocrats deck
Y'shtola's last ability resolves before the spell that caused it to trigger