Cormela, Glamour Thief, Birgi, God of Storytelling // Harnfel, Horn of Bounty, and Twinflame

Prerequisites

• Cormela, Glamour Thief on the battlefield
• Birgi, God of Storytelling // Harnfel, Horn of Bounty on the battlefield
• Twinflame in hand
• available

Steps

1. Activate Cormela by paying and tapping it, adding that can only be spent to cast instant and/or sorcery spells
2. Cast Twinflame by paying
3. Birgi triggers, adding
4. Resolve Twinflame, creating a token copy of Cormela
5. Put the tapped Cormela into your graveyard due to the legend rule
6. Cormela dies, triggering itself, returning Twinflame from your graveyard to your hand
7. Repeat

Results

• Infinite black mana that can only be spent to cast instant and sorcery spells
• Infinite blue mana that can only be spent to cast instant and sorcery spells
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count