Shepherd of the Cosmos, Blasting Station, and Fungal Fortitude

Prerequisites

• Shepherd of the Cosmos on the battlefield
• Blasting Station on the battlefield
• Fungal Fortitude on the battlefield
• Fungal Fortitude attached to Shepherd of the Cosmos

Steps

1. Activate Blasting Station by tapping it and sacrificing Shepherd of the Cosmos
2. When Shepherd of the Cosmos dies, Fungal Fortitude triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield
3. When Shepherd of the Cosmos enters the battlefield, it and Blasting Station trigger
4. Resolve the Shepherd of the Cosmos trigger, returning Fungal Fortitude from your graveyard to the battlefield attached to Shepherd of the Cosmos
5. Resolve the Blasting Station trigger, untapping it
6. Resolve the Blasting Station ability from step 1, dealing 1 damage to any target
7. Repeat

Results

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