Earthcraft, Lifespark Spellbomb, and Mesmeric Orb

Prerequisites

• Earthcraft on the battlefield
• Lifespark Spellbomb on the battlefield
• Mesmeric Orb on the battlefield
• An untapped basic land
• and available

Steps

1. Pay and sacrifice Lifespark Spellbomb, targeting the basic land
2. Tap the basic land with Earthcraft, untapping itself
3. Mesmeric Orb triggers milling you 1
4. Repeat

Results

• Infinite self-mill