Dour Port-Mage + Capture of Jingzhou + Timeless Witness

Dour Port-Mage

Capture of Jingzhou

Timeless Witness

How it works

1. Cast Capture of Jingzhou by paying its mana cost, causing you to take an extra turn after this one.
2. Cast Timeless Witness by paying its mana cost.
3. When Timeless Witness enters the battlefield, it triggers, returning Capture of Jingzhou from your graveyard to your hand.
4. Move to your next turn.
5. Activate Dour Port-Mage by paying 1 and tapping it, returning Timeless Witness from the battlefield to your hand.
6. Dour Port-Mage triggers, causing you to draw a card.
7. Repeat.