Breath of Fury, Emmara, Soul of the Accord, and Concordant Crossroads

Prerequisites

• Breath of Fury on the battlefield
• Emmara, Soul of the Accord on the battlefield
• Concordant Crossroads on the battlefield
• undefined

Steps

1. Declare Emmara and the creature with Breath of Fury attached as attackers
2. Emmara triggers, creating a 1/1 Soldier creature token with lifelink
3. Deal combat damage to an opponent using the creature with Breath of Fury attached
4. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the Soldier token, untap all creatures you control and to get an additional combat phase after this one
5. Repeat each combat phase

Results

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