Keyword: Mono Eminence

Mono Eminence — As the game begins, if Theopholos is your commander and your deck’s color identity is mono-white, your starting life total is increased by 10.
Whenever Theopholos attacks, if your life total is greater than your starting life total, creatures you control get +1/+1 until end of turn.
Partner (You can have two commanders if both have partner.)

Mono Eminence — As the game begins, if Lorthos is your commander and your deck’s color identity is mono-blue, your starting hand size becomes 8. (You draw 8 cards and your maximum hand size is 8.)
Whenever Lorthos attacks, tap all permanents your opponent controls.
Partner (You can have two commanders if both have partner.)

Mono Eminence — If Auntie Flint is on the battlefield or in the command zone and your deck’s color identity is mono-black, creatures you control get +1/+0.
Whenever Auntie Flint attacks, another target creature gains fear until end of turn.
Partner (You can have two commanders if both have partner.)

Mono Eminence — As the game begins, if Mr. Wiggles is your commander and your deck’s color identity is monogreen, at the beginning of your first upkeep, search your library for a Forest card, put it onto the battlefield tapped, then shuffle.
Flying
Partner (You can have two commanders if both have partner.)

Mono Eminence — If Mzed is on the battlefield or in your command zone and your deck’s color identity is mono-red, creatures you control have haste.
At the beginning of your combat step, create a 1/1 red Mercenary creature token with “This creature can’t block.”
Partner (You can have two commanders if both have partner.)