Sun Titan, Blasting Station, and Necrogen Communion

Prerequisites

• Sun Titan on the battlefield
• Blasting Station on the battlefield
• Necrogen Communion on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing Sun Titan
2. When Sun Titan dies, Necrogen Communion triggers, returning Sun Titan from your graveyard to the battlefield
3. When Sun Titan enters, it and Blasting Station trigger
4. Resolve the Sun Titan trigger, returning Necrogen Communion from your graveyard to the battlefield attached to Sun Titan
5. Resolve the Blasting Station trigger, untapping it
6. Resolve the Blasting Station ability from step 1
7. Repeat

Results

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