Fire Lord Azula + Narset's Reversal + Hypersonic Dragon + Walk the Aeons

Fire Lord Azula

Narset's Reversal

Hypersonic Dragon

Walk the Aeons

How it works

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