The obvious place to run this is with midrange since all of your Karmic Guide effects for recursion, and Loran of the Third Path for removal, and Wall of Omens for card flow
Sephiroth, Fallen Hero Sephiroth, Fallen Hero is a wonderful legendary creature to include in any red-white deck that can easily modify creatures
Summary Set rotation is coming to Disney Lorcana, with the oldest sets rotating out every year
Drop this on something like a Mayhem Devil and you have a very dangerous situation, and it's a cantrip, and you can cantrip it onto an equipment so your opponent's can't so easily 2:1, however that's a lot of moving pieces for a pinger with deathtouch
Its ability to warp the social and mechanical landscape of a game solidifies its reputation among the top blue cards in MTG for any competitive environment
As one of the most fearsome creatures in MTG history, it commands a mammoth price point on the secondary market