Eggman are both Universes Beyond commanders that give your opponent the villainous choice of discarding cards or granting you a sizeable benefit
Both deliver strong EV, but Perfect Order booster boxes (115-145) edge out for fresh meta volume, while Ascended Heroes provides proven holds with established grading demand
While others might be talking about new commanders like Lazav, the MultifariousLazav, the Multifarious or the instant auto-include Assassins TrophyAssassins Trophy, the card Chance for GloryChance for Glory jumped out at me because of something I tried to make work in the past
Either of those options can be very effective
With prowess creatures or (then legal) Vivi Ornitier on the board, his mana generation let you churn through cantrips and create some huge threats - and when your opponent removed him, you could fireball them in the face
And finally, there's four cards that form a picture of the dramatic confrontation at Mount Doom