Wasitora, Nekoru Queen, Breath of Fury, and Fervor

Prerequisites

• Wasitora, Nekoru Queen on the battlefield
• Breath of Fury on the battlefield
• Fervor on the battlefield
• An opponent controls no creatures

Steps

1. Deal combat damage to an opponent who controls no creatures using Wasitora and the creature that has Breath of Fury attached, triggering Breath of Fury and Wasitora
2. Resolve the Wasitora trigger, creating a 3/3 Cat Dragon creature token
3. Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the Cat Dragon, then causing you to untap all creatures and to get an additional combat phase after this one
4. Repeat each combat damage

Results

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