Spectral Sailor Spectral Sailor is a Pioneer staple for spirits decks, as it's a cheap flying creature that can provide card advantage in the long game
Living Death While Living Death is technically a symmetrical effect, it always seems to hit the stack right after the Meren of Clan Nel Toth player conveniently lets their commander hit their well-stocked graveyard
You can never count this deck out because it can just pivot to a different strategy and if built correctly can absolutely win without either commander ever hitting the battlefield
Fanatic of Mogis will do 5 damage to your opponent right away, and then you will be able to attack for an additional 24 damage on turn 3
Citadel also does something when youre at two life (at least it clears away lands and adds to devotion), and Command the Dreadhorde does nothing
The money is in the Commander free spells and 1-mana, instant tutors: Enlightened, Mystical, or Worldly the ones for enchantment/artifact, instant/sorcery, or a creature, that are among the 2 of 10 special reprints