Archaeomancer in exile (Archaeomancer with a takeover counter on it).
Snap in your graveyard.
Swarm Intelligence on the battlefield.
You control up to two lands that can tap to produce at least ({U} magic symbol) ({B} magic symbol) .
You have enough mana to pay for commander tax, if applicable.
Steps
Activate up to two lands by tapping them, adding at least ({U} magic symbol) ({B} magic symbol) .
Cast The Master either from your hand or from the command zone by paying ({U} magic symbol) ({B} magic symbol) and commander tax, if applicable, choosing to have it enter the battlefield as a copy of Archaeomancer.
When The Master enters the battlefield, it triggers, returning Snap to your hand from your graveyard.
Cast Snap by paying ({1} magic symbol) ({U} magic symbol) , targeting The Master.