Riku of Two Reflections, Narset's Reversal, and Notorious Throng

Prerequisites

• Riku of Two Reflections on the battlefield
• Narset's Reversal in hand
• Notorious Throng in hand
• You control at least one Rogue that does not have summoning sickness and cannot be blocked by an opponent
• each turn available

Steps

1. Deal combat damage to an opponent using a Rogue
2. Cast Notorious Throng for its prowl cost by paying Riku's first ability triggers - choose not to pay
3. Holding priority, cast Narset's Reversal by paying , targeting Notorious Throng
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 Notorious Throng, and returning the original Narset's Reversal to your hand
6. Resolve the copy of Narset's Reversal created in step 5, copying Notorious Throng and returning the original Notorious Throng to your hand
7. Resolve Notorious Throng, causing you to take an extra turn after this one and create a number of 1/1 Faerie Rogue creature tokens
8. Repeat each turn

Results

• Infinite turns