Breath of Fury + Tana, the Bloodsower + Fervor

Prerequisites

• Breath of Fury attached to any other creature you control that can attack this turn.
• Tana does not have summoning sickness.
• An opponent is unable to block and kill your creatures.
• At least one opponent cannot block creatures you control.

Steps

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

Effects

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