The Archimandrite is your commander, does not have summoning sickness and cannot be blocked by an opponent.
Your life total is at least twenty-one.
({5} magic symbol) ({W} magic symbol) available.
Steps
Cast Beacon of Immortality by paying ({5} magic symbol) ({W} magic symbol) , doubling your life total and shuffling Beacon of Immortality into your library.
The Archimandrite triggers, giving Advisors, Monks, and Artificers you control at least +21/+0 until end of turn.
Deal combat damage to an opponent using The Archimandrite.
The opponent loses the game due to being dealt twenty-one or more damage by your commander.