Muldrotha, the Gravetide + Archaeomancer + Ashnod's Altar + Walk the Aeons

Muldrotha, the Gravetide

Archaeomancer

Ashnod's Altar

Walk the Aeons

How it works

1. Cast Archaeomancer from your graveyard by paying 2.
2. Archaeomancer enters the battlefield, returning Walk the Aeons from your graveyard to your hand.
3. Activate Ashnod's Altar by sacrificing Archaeomancer, adding CC.
4. Cast Walk the Aeons by paying 4, causing you to take an extra turn after this one.
5. Repeat each turn.