Requires

Riku of Two Reflections must be on the battlefield. Narset's Reversal must be in hand. Capture of Jingzhou must be in hand. Mana needed: each turn

Steps

1. Cast Capture of Jingzhou by paying .
2. Riku's first ability triggers - choose not to pay.
3. Holding priority, cast Narset's Reversal by paying , targeting Capture of Jingzhou.
4. Riku's first ability triggers, causing you to pay to copy Narset's Reversal, with the copy targeting the original Narset's Reversal.
5. 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.
6. Resolve the copy of Narset's Reversal created in step 5, copying Capture of Jingzhou and returning the original Capture of Jingzhou to your hand.
7. Resolve Capture of Jingzhou, causing you to take an extra turn after this one.
8. Repeat each turn.

Results