Dour Port-Mage, Damage Control Crew, and Walk the Aeons

Prerequisites

• Dour Port-Mage on the battlefield
• Damage Control Crew in hand
• Walk the Aeons in hand
• each turn available

Steps

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

Results

• Infinite turns