Requires

Birgi, God of Storytelling // Harnfel, Horn of Bounty must be on the battlefield. Spellbinding Soprano must be in the graveyard. Seething Anger must be in hand. You have at least three opponents. Mana needed:

Steps

1. Activate Spellbinding Soprano's encore ability by paying and exiling it from your graveyard, creating a token copy of it with haste for each opponent you have.
2. Declare each Spellbinding Soprano token as an attacker.
3. Each Spellbinding Soprano token triggers, causing instant and sorcery spells you cast this turn to cost less to cast for each Spellbinding Soprano token.
4. Cast Seething Anger with buyback by paying .
5. Birgi triggers, adding .
6. Resolve Seething Anger, giving target creature +3/+0 until end of turn and returning Seething Anger to your hand.
7. Repeat from step 4.

Results