(Oh yeah, Unpredictable Cyclone doesn't care about normal timing restrictions, so you can use it to cast sorceries and creatures during your opponent's turn by cycling a card.) Eventually, this will give you an overwhelming amount of value thanks to all of the things you're playing for free with Unpredictable Cyclone and theoretically win you the game
It synergizes well with Winding Constrictor
Traditionally, Elsa alts have done very well in value to say the least, and that combined with this cards really cool effect should make this one of the more bankable Enchanted song cards of them all
Something is coming...fathomless, ominous, and full of sorrow
This also means that rather than trying to design a legendary creature of your own making, Id suggest trying to find an existing character from Magic or outside of it that you can lean into to draw the flavor from
Its effect, letting a player live beyond zero life by building up poison counters, is also original and widely liked