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
• An additional creature under your control

Steps

1. Sacrifice the additional creature to Blasting Station, dealing 1 damage to any target
2. Because of Darkest Hour, the creature is black, and thus triggers Teysa's ability, creating a 1/1 black Spirit token
3. On ETB, the token triggers Blasting Station, untapping it
4. Sacrifice the token to Blasting Station, dealing 1 damage to any target
5. Teysa's ability triggers again, creating another token
6. On ETB, the token triggers Blasting Station, untapping it

Results

• Infinite damage
• Infinite death triggers
• Infinite sacrifice triggers