Artifacts and enchantments are plentiful, specifically equipment and sagas, and you can fit more of them in your deck due to them being creatures (or making creature tokens on ETB)
More importantly, this character can help the rest of his deck by being a legal target for placement in the inkwell
Rather than putting the excess cards eligible for hiding away at the bottom of the library in the same or any order, the cards are put there in random order
Chicken Egg is a chicken hatching out of an egg, complete with rooster plume and whatnot
No matter how well you do, you'll walk away with an Ugin avatar to commemorate the event
If your Commander deck has two commanders, you can only include cards whose own color identities are also found in your commanders' combined color identities