One thing to mention here is that if something makes your card ready again, you can use its ability (or quest, challenge, e.t.c) again if you can pay the cost and it wasnt this cards first turn on the board
After drafting a lot of Edge of Eternities , I can safely say that my mind is made up: they finally nailed how to do a bonus sheet without compromising Limited
Its best bet is probably in Pioneer, which doesn't have great wraths and has cards like Nykthos, Shrine to Nyx and Yorion, Sky Nomad that synergize with battles
In Modern, it is combined with my number 7 pick of Underworld Breach to win games in Modern
Helms incredibly expensive to cast and equip, but who am I to step between a card and its loyal fanbase
Quick note, you are off by a bit on the value of that art