Fire Lord Azula, Narset's Reversal, and Storm-Kiln Artist

Prerequisites

• Fire Lord Azula on the battlefield
• Narset's Reversal in hand
• Storm-Kiln Artist in hand

Steps

1. Declare Fire Lord Azula as an attacker, triggering its firebending ability, adding
2. Cast the additional instant or sorcery by paying its mana cost
3. Fire Lord Azula's second ability and Storm-Kiln Artist trigger
4. Resolve the Fire Lord Azula trigger, copying the instant or sorcery
5. Storm-Kiln Artist triggers
6. Resolve both triggers from this step and step 3, creating two Treasure tokens
7. Activate two Treasures by tapping and sacrificing them, adding
8. Cast Narset's Reversal by paying , targeting the spell from step 2
9. Fire Lord Azula's second ability and Storm-Kiln Artist trigger
10. Resolve the Storm-Kiln Artist trigger, creating a Treasure token
11. Resolve the Fire Lord Azula trigger, copying Narset's Reversal targeting the original Narset's Reversal
12. Storm-Kiln Artist triggers, creating a Treasure token
13. Resolve the copy of Narset's Reversal, causing you to copy Narset's Reversal targeting the original spell from step 2, and then return the original Narset's Reversal to your hand
14. Storm-Kiln Artist triggers, creating a Treasure token
15. Resolve the copy of Narset's Reversal, copying the spell from step 2 and returning the original spell from step 2 to your hand
16. Storm-Kiln Artist triggers, creating a Treasure token
17. Resolve the copy of the spell from step 14
18. Holding priority, repeat from step 2

Results

• Infinite Treasure tokens
• Infinite colored mana
• Infinite copies of the casted instant or sorcery
• Infinite magecraft triggers
• Infinite storm count