Although I don't see myself running this deck's alternate Commmander, Ureni of the Unwritten, it is a nice late-game threat for this build
Thats all there is to it, reallybut a lot of decks should run four of these
Legendary Creature - Human Artificer Sin, Unending Cataclysm Flying, trample As Sin enters, remove all counters from any number of artifacts, creatures, and enchantments
It only lasts until you upkeep as mentioned, but then you get an unblockable creature
The three options that include draw a card as one of the choices tend to be the three most commonly played as well meaning that Cryptic is used as a counterspell less than you might expect, and when it is it is usually just a Dismiss
Mechanized Production: reads Mythic all-right