In Commander, its very much possible to stack up multiple emblems by replaying Sephiroth from the command zone, and once youre at that point, the games probably over
If you continue to level this up, youll get a strong attack bonus with +1/+0 and menace, not to mention inevitability when you can sneak creatures straight from your graveyard
Card 13 will be a rare or a mythic rare
Bodyguard forces your opponent to challenge Hercules before it can challenge anything else, which buys you crucial time
For example, as Emet-Selch's last ability resolves, you have the option to transform it
Having an unlimited airbending effect is just screaming "combos" from miles away, and this makes for a unique mono-white design space