Vizier of Remedies, Blasting Station, and Twilight Shepherd

Prerequisites

• Vizier of Remedies on the battlefield
• Blasting Station on the battlefield
• Twilight Shepherd on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Twilight Shepherd
2. When Twilight Shepherd dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies
3. When Twilight Shepherd enters, Blasting Station triggers, untapping Blasting Station Resolve the Blasting Station ability from step 1 Repeat

Results

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