Blasting Station, Ephemerate, Karmic Guide, and Preston, the Vanisher

Prerequisites

• Blasting Station on the battlefield
• Ephemerate in hand
• Karmic Guide on the battlefield
• Preston, the Vanisher on the battlefield
• available

Steps

1. Cast Ephemerate by paying , blinking Karmic Guide
2. Karmic Guide enters the battlefield, triggering itself, Preston and Blasting Station
3. Resolve the Karmic Guide trigger, returning any creature card from your graveyard to the battlefield
4. Resolve the Blasting Station trigger, untapping it
5. Activate Blasting Station by tapping it and sacrificing Karmic Guide, dealing 1 damage to any target
6. Resolve the Preston trigger from step 2, creating a token copy of Karmic Guide that is a 0/1 white Illusion
7. The Karmic Guide token enters the battlefield, triggering itself and Blasting Station
8. Resolve the Karmic Guide token's trigger, returning the nontoken Karmic Guide from your graveyard to the battlefield
9. Repeat from step 2

Results

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