As a sorcery, you may pay the mana cost of a locked door to unlock it.) ----- At the beginning of your upkeep, surveil 1
Atarka is a red and green creature, costing seven mana for six power and four toughness which isn't great as far as stats are concerned
That mix of offense and defense makes it a flexible piece that adapts to whatever your opponents are throwing at you
It also means less chance of frustration over being mana screwed, which can happen when you start dipping into multicolor decks or include a lot of colorless utility lands
While the signature Xyz Monster, Gear Gigant X, gives you constant access to more Machines
I could see this working alright with Clan Crafter as your background, making your commander a cantrip that can draw more and more cards each turn