Archaeomancer + Cache Raiders + Capture of Jingzhou

Archaeomancer

Cache Raiders

Capture of Jingzhou

How it works

1. Cast Capture of Jingzhou by paying 3, taking an extra turn after this one.
2. Cast Archaeomancer by paying 2.
3. Archaeomancer enters the battlefield, returning Capture of Jingzhou to your hand.
4. Move to your next turn.
5. At the beginning of your next upkeep, Cache Raiders triggers, returning Archaeomancer to your hand.
6. Move to your next turn.
7. Repeat.