Breath of Fury, Indulge // Excess, and Mass Hysteria

Prerequisites

• Breath of Fury on the battlefield
• Indulge // Excess in hand
• Mass Hysteria on the battlefield
• available

Steps

1. Cast Indulge by paying
2. Declare the creature with Breath of Fury attached as an attacker
3. Indulge triggers, creating a 1/1 Citizen creature token
4. Deal combat damage using the creature that has Breath of Fury attached
5. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the Citizen token, then causing you to untap all creatures you control and to get an additional combat phase after this one
6. Repeat each combat phase

Results

• Infinite combat damage
• Infinite mana creatures you control can produce
• Infinite ETB
• Infinite LTB
• Infinite Treasure tokens
• Infinite colored mana
• Infinite combat phases
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite untap of creatures you control