Darien, King of Kjeldor, Blasting Station, and Trostani, Selesnya's Voice

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Blasting Station on the battlefield
• Trostani, Selesnya's Voice on the battlefield

Steps

1. Activate Blasting Station by tapping it and by sacrificing any other creature you control, dealing 1 damage to yourself
2. Darien triggers, causing you to create a 1/1 Soldier creature token
3. When the Soldier enters, Blasting Station and Trostani trigger
4. Resolve the Trostani trigger, causing you to gain life
5. Resolve the Blasting Station trigger, untapping it
6. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain