Breath of Fury + Treasury Thrull + Aluren + Concordant Crossroads

Prerequisites

• Breath of Fury attached to a nontoken creature you control with mana value 3 or less.
• You have a creature card in your graveyard with mana value 3 or less.
• An opponent cannot block creatures you control.

Steps

1. 1Declare Treasury Thrull and the creature with Breath of Fury attached as attackers.
2. 2Treasury Thrull triggers, returning a creature card with mana value 3 or less from your graveyard to your hand.
3. 3Cast the creature by paying due to Aluren.
4. 4Deal combat damage using the creature that has Breath of Fury attached.
5. 5Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the creature with mana value 3 or less, then causing you to untap all creatures you control and to get an additional combat phase after this one.
6. 6Repeat 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 storm count
• Infinite untap of creatures you control