If you have a boring, powerful, and common deck, then you are a Be-Hated Commander
Killer Cosplay lends itself naturally to Cubes with a heavy volume of artifacts that are open to a little silliness, and even without that volume of artifacts, this card is just exciting to play with
Otharri, Suns' Glory Yes Otharri, Suns' Glory is mana-intensive, but effects that generate multiple tokens tend to be that way, and when they add immediate attackers, they are excellent
Fortunately, the current set (an MTG Warhammer 40,000 crossover) and the next Magic release are considerably cheaper
Finally, the Steel Puzzle celebrates strength and power, which brings together Glimmers like Stitch, the Beast, and even a knight version of Cinderella
Both modes of this card can be quite powerful