Felidar Guardian, Vesperlark, and Blasting Station

Prerequisites

• Felidar Guardian in hand
• Vesperlark on the battlefield
• Blasting Station on the battlefield
• available

Steps

1. Cast Felidar Guardian by paying
2. When Felidar Guardian enters the battlefield, it and Blasting Station trigger, with Felidar Guardian targeting Vesperlark
3. Resolve the Blasting Station trigger, untapping it
4. Holding priority, activate Blasting Station by tapping it and sacrificing Felidar Guardian
5. Resolve the Felidar Guardian trigger, blinking Vesperlark
6. Vesperlark leaves and enters the battlefield, triggering it and Blasting Station, with Vesperlark targeting Felidar Guardian
7. Resolve the Blasting Station trigger, untapping it
8. Resolve the Vesperlark trigger, returning Felidar Guardian from your graveyard to the battlefield
9. Repeat from step 2

Results

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