Karador, Ghost Chieftain, Slick Imitator, Narset's Reversal, and Capture of Jingzhou

Prerequisites

• Karador, Ghost Chieftain on the battlefield
• Slick Imitator on the battlefield
• Narset's Reversal in hand
• Capture of Jingzhou in hand
• You have max speed
• plus enough mana to cast the extra turn spell each turn available

Steps

1. Cast Capture of Jingzhou by paying its mana cost
2. Holding priority, cast Narset's Reversal by paying , targeting Capture of Jingzhou
3. Holding priority, activate Slick Imitator by paying and sacrificing it, copying Narset's Reversal, with the copy targeting the original Narset's Reversal
4. Resolve the copy of Narset's Reversal, copying the original Narset's Reversal targeting Capture of Jingzhou, and returning the original Narset's Reversal to your hand
5. Resolve Capture of Jingzhou, causing you to take an extra turn after this one
6. Cast Slick Imitator from your graveyard by paying
7. Repeat each turn

Results

• Infinite turns