Darien, King of Kjeldor, Blasting Station, and Ajani's Welcome

Prerequisites

• Darien, King of Kjeldor on the battlefield
• Blasting Station on the battlefield
• Ajani's Welcome on the battlefield
• You control at least one extra creature
• Your life total is at least 2

Steps

1. Activate Blasting Station by tapping it and sacrificng any other creature you control, dealing 1 damage to yourself
2. Darien triggers, creating a 1/1 Soldier creature token
3. The Soldier enters the battlefield, triggering Blasting Station and Ajani's Welcome
4. Resolve the Blasting Station trigger, untapping it
5. Resolve the Ajani's Welcome trigger, causing you to gain 1 life
6. Repeat

Results

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