Breath of Fury, Living Hive, and Concordant Crossroads

Prerequisites

• Breath of Fury on the battlefield
• Living Hive on the battlefield
• Concordant Crossroads on the battlefield

Steps

1. Deal combat damage to an opponent using Living Hive and the creature with Breath of Fury attached
2. Breath of Fury and Living Hive trigger
3. Resolve the Living Hive trigger, creating six 1/1 Insect creature tokens
4. Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to an Insect token, untap all creatures you control and get an additional combat phase after this one
5. Repeat each combat phase
6. Deal combat damage using the creature that has Breath of Fury attached and Living Hive, triggering Breath of Fury and Living Hive
7. Resolve the Living Hive trigger, creating at least one creature token
8. Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to a creature token, then causing you to untap all creatures you control and to get an additional combat phase after this one
9. Repeat each combat phase

Results

• Infinite combat damage
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control