Breath of Fury, Squirrel Squatters, and Urabrask the Hidden

Prerequisites

• Breath of Fury on the battlefield
• Squirrel Squatters on the battlefield
• Urabrask the Hidden on the battlefield
• Breath of Fury attached to another creature you control
• An opponent cannot block creatures you control
• You have visited at least one Attraction this turn

Steps

1. Declare the creature with Breath of Fury attached and Squirrel Squatters as attackers
2. Squirrel Squatters triggers, creating at least one 1/1 Squirrel creature token that is tapped and attacking
3. Deal combat damage to an opponent using the creature with Breath of Fury attached
4. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to a Squirrel token, untap all creatures you control and get an additional combat phase after this one
5. Repeat each combat phase

Results

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