In any shell you play Sorin the Mirthless with, hell provide a steady flow of unconditional card advantage to help you take over a game
Casting one Magma Opus on your opponents upkeep is usually enough to lock up a game, and a secondary plan of protecting the ever-present Fable of the Mirror-Breaker and copying some Dragons works equally well
Legends of Duskmourn : Commander Aminatou, Veil Piercer Fates, fortunes, prophecies, and destinies
(To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.) The ability that causes Agent Frank Horrigan to have indestructible starts to apply as soon as it's declared as an attacker
The archetypes signature explosive turn
I adore this as a Commander or adjunct in the 99, it's also a Five Color essential