Storm-Kiln Artist, Eternal Witness, and Ephemerate

Prerequisites

• Storm-Kiln Artist on the battlefield
• Eternal Witness on the battlefield
• Ephemerate in hand
• available

Steps

1. Cast Ephemerate by paying , targeting Eternal Witness Storm-Kiln Artist triggers, creating a Treasure artifact token
2. Resolve Ephemerate, blinking Eternal Witness When Eternal Witness enters the battlefield, it triggers, returning Ephemerate to your hand from your graveyard
3. Activate the Treasure by tapping and sacrificing it, adding
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite storm count
• Infinite magecraft triggers