Earthcraft, Pemmin's Aura, and Spireside Infiltrator

Prerequisites

• Earthcraft on the battlefield
• Pemmin's Aura on the battlefield
• Spireside Infiltrator on the battlefield

Steps

1. Activate a basic Island by tapping it, adding
2. Activate Earthcraft by tapping Spireside Infiltrator Spireside Infiltrator triggers, dealing 1 damage to each opponent Resolve the Earthcraft ability, untapping a basic Island
3. Activate Pemmin's Aura by paying , untapping Spireside Infiltrator
4. Repeat

Results

• Infinite damage