This seems like a nice ability to prevent your opponent from Challenging Minnie Mouse Storyteller during their turn or allow you to Challenge their exerted Character without losing your attacker
Sacrifice after III.) I Until your next turn, each creature attacks each combat if able and attacks a player other than you if able
But I can imagine there are shells where Sephiroth performs even better
Robin Hood, Unrivaled Archer has a resource cost of 6, attack power of 4 and a defense raiting of 4
1 Freyalise, Llanowar's Fury Freyalise, Llanowar's Fury is a green planeswalker that represents one of the game's most iconic and popular legendary characters
For example, if two creatures you control with lifelink deal combat damage at the same time, MJ, Rising Star's ability will trigger twice