Mnemonic Wall, Erratic Portal, and Capture of Jingzhou

Prerequisites

• Mnemonic Wall in hand
• Erratic Portal on the battlefield
• Capture of Jingzhou in hand
• each turn available

Steps

1. Cast Capture of Jingzhou by paying , taking an extra turn after this one
2. Cast Mnemonic Wall by paying
3. Mnemonic Wall enters the battlefield, returning Capture of Jingzhou from your graveyard to your hand
4. Activate Erratic Portal by paying and tapping it, returning Mnemonic Wall from the battlefield to your hand
5. Repeat each turn

Results

• Infinite turns