Emry serves very well as the commander, but is an incredible inclusion in any blue artifact deck: think Sai, Master Thopterist or Breya, Etherium Shaper
Once filled, they wont shake around or move about
Figuring out how to properly adjust them takes math
This is great news for Limited players, and even better news for those who enjoy a bit of Pauper
No, Holon Energy WP doesn't remove Special Conditions, but it prevents them from being placed by attacks made after it has been attached
Rounding out the list are some noncreature spells with strong Legends synergy, mostly ramp like Leyline Immersion and Relic of Legends but also other stuff like board wipe with Urza's Ruinous Blast and mass reanimation with Primevals' Glorious Rebirth