Fire Lord Azula + Narset's Reversal + Hypersonic Dragon + Twice Upon a Time // Unlikely Meeting

Fire Lord Azula

Narset's Reversal

Hypersonic Dragon

Twice Upon a Time // Unlikely Meeting

How it works

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