Vizier of Remedies, Blasting Station, and Trapjaw Kelpie

Prerequisites

• Vizier of Remedies on the battlefield
• Blasting Station on the battlefield
• Trapjaw Kelpie on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Trapjaw Kelpie
2. When Trapjaw Kelpie 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 Trapjaw Kelpie 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
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control