Disa the Restless + Breath of Fury + Concordant Crossroads

Prerequisites

• Breath of Fury attached to a creature you control.
• An opponent cannot block creatures you control.

Steps

1. 1Deal combat damage to an opponent using the creature that has Breath of Fury attached, triggering Breath of Fury and Disa the Restless's second ability.
2. 2Resolve the Disa the Restless trigger, creating a Tarmogoyf creature token.
3. 3Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to and attach it to the Tarmogoyf token, then causing untap all creatures you control and to get an additional combat phase after this one.
4. 4Repeat each combat phase.

Effects

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