Breath of Fury + Death Tyrant + The Fire Crystal

Prerequisites

• You control at least two additional creatures.
• An opponent cannot block creatures you control.
• Breath of Fury attached to a creature you control other than Death Tyrant.

Steps

1. 1Deal combat damage using the creature that has Breath of Fury attached.
2. 2Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to any creature you control except Death Tyrant, then causing you to untap all creatures you control and to get an additional combat phase after this one.
3. 3When the creature that had Breath of Fury attached dies, Death Tyrant triggers, creating a 2/2 Zombie creature token.
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