Angel of Indemnity, Blasting Station, and Felidar Guardian

Prerequisites

• Angel of Indemnity on the battlefield
• Blasting Station on the battlefield
• Felidar Guardian in hand
• undefined available

Steps

1. Cast Felidar Guardian by paying
2. When Felidar Guardian enters the battlefield, it triggers itself and Blasting Station
3. Resolve the Blasting Station trigger, untapping it if necessary
4. Holding priority, activate Blasting Station by sacrificing Felidar Guardian and tapping it
5. Resolve the Felidar Guardian ability, blinking Angel of Indemnity
6. When Angel of Indemnity enters the battlefield, it triggers itself and Blasting Station
7. Resolve the Blasting Station trigger untapping it Resolve the Angel of Indemnity trigger, returning Felidar Guardian from your graveyard to the battlefield
8. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage