The biggest issue with Omen, in my eyes, is one of power level, and that largely stems from the shuffle clause
These new cards look like fun in Commander, too, as the politics involved in taking down a Siege will make for some fun gameplay
As with many myriad creatures, your opponents won't be happy getting hit even if you're not explicitly targeting them, so the entire table might band together to take this down.
A special feature specific to these cards is their use of a gold-colored border and evolution box design, a striking contrast to other cards of the current era, which use silver-colored borders
UR Ultra Rare Superheavy Samurai Ninja Sarutobi X EARTH Level 8 [ MachineSynchroEffect ] ATK 2000 DEF 2800 1 Machine-Type Tuner + 1 or more non-Tuner "Superheavy Samurai" monsters This card can attack while in face-up Defense Position
ARC-V anime and manga), Yusaku Fujiki, and Theodore Hamilton