If you crash him into a strong card you want gone or your opponent dares to challenge him themselves, his banishment gives you a free draw
We've seen in the past how this card can be a major deciding factor in games if left unchecked, and, if the current top end decks take a dive, Wandering Emperor could rise up to take over
Immerse yourself in the Nordic-inspired landscapes of Kaldheim as you commandeer the "Phantom Premonition" deck
Creatures (22) 2 Scavenging Ooze 4 Lovestruck Beast 4 Giant Killer 4 Edgewall Innkeeper 4 Skyclave Apparition 4 Kazandu Mammoth Planeswalkers (1) Lands (19) Spells (18) Ross paired Battle with Starnheim Unleashed last week and I expect Battle to overperform in this deck
On top of that, when you sacrifice it, you get tempted by the ring, making it an auto addition to decks that care about the mechanic, or just to at least make something harder to block
However, I'm here to talk about commons, not necessarily Final Fantasy