Teysa, Orzhov Scion, Darkest Hour, and Blasting Station

Prerequisites

• Teysa, Orzhov Scion on the battlefield
• Darkest Hour on the battlefield
• Blasting Station on the battlefield

Steps

1. Activate Blasting Station by tapping it and sacrificing another creature
2. When the creature dies, Teysa triggers, creating a 1/1 Spirit creature token that is black due to Darkest Hour
3. When the Spirit creature token enters, the Blasting Station triggers, untapping it
4. Resolve the Blasting Station ability from Step 1
5. Repeat

Results

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