Burning Anger, Burning-Tree Emissary, Felhide Spiritbinder, and Intruder Alarm

Prerequisites

• Burning Anger on the battlefield
• Burning-Tree Emissary in hand
• Felhide Spiritbinder on the battlefield
• Intruder Alarm on the battlefield
• Burning Anger attached to Felhide Spiritbinder
• Felhide Spiritbinder does not have summoning sickness
• available

Steps

1. Activate Felhide Spiritbinder by tapping it, dealing damage equal to its power to any target
2. Cast Burning-Tree Emissary by paying
3. Burning-Tree Emissary enters the battlefield, triggering itself and Intruder Alarm
4. Resolve the Burning-Tree Emissary trigger, adding
5. Resolve the Intruder Alarm trigger, untapping all creatures
6. Felhide Spiritbinder triggers, holding priority, activate it by tapping it, dealing damage equal to its power to any target
7. Resolve the Felhide Spiritbinder trigger, causing you to pay to create a token copy of Burning-Tree Emissary with haste
8. Repeat from step 3

Results

• Infinite creature tokens
• Infinite damage
• Infinite ETB
• Infinite untap of all creatures