They are tricky to understand and more suitable for experienced role-playing gamers
It's a bunch of random clocks arranged together in the vague shape of a dragonfly with a giant set of pincers
Aetherworks Marvel defined its Standard format when it was used to put in play one of the best of the Eldrazi titans, Ulamog, the Ceaseless Hunger, ahead of time, effectively ending the game on the spot, but its a bit more of a roulette wheel in Commander
Remember that many of these will not be reprinted in the actual Commander decks, since everything has to adhere to the Universes Beyond settings, though they could appear on the Through the Ages bonus sheet with reskinned Final Fantasy flavor (Yuriko, the Tiger's Shadow has already been revealed as a Yuffie reskin)
Today, Id like to touch on just using it straight-up, fair, if you will