Fire Lord Azula, Narset's Reversal, Tidal Barracuda, and Time Walk

Prerequisites

• Fire Lord Azula on the battlefield
• Narset's Reversal in hand
• Tidal Barracuda on the battlefield
• Time Walk in hand
• each other turn available

Steps

1. Declare Fire Lord Azula as an attacker, triggering its firebending ability, adding
2. Holding priority, cast Time Walk by paying its mana cost
3. Fire Lord Azula's second ability triggers, copying Time Walk
4. Holding priority, cast Narset's Reversal by paying , targeting the original Time Walk spell
5. Fire Lord Azula's second ability triggers, copying Narset's Reversal, targeting the original Narset's Reversal
6. Resolve the copy of Narset's Reversal, causing you to copy Narset's Reversal targeting the original Time Walk spell, and then return the original Narset's Reversal to your hand
7. Resolve the copy of Narset's Reversal, copying Time Walk and returning the original Time Walk to your hand
8. Resolve both copies of Time Walk from steps 3 and 7, causing you to take two extra turns after this one
9. Repeat during your second extra turn

Results

• Infinite turns