Yomiji, Who Bars the Way, Leyline of Singularity, and Lion's Eye Diamond

Prerequisites

• Yomiji, Who Bars the Way on the battlefield
• Leyline of Singularity on the battlefield
• Lion's Eye Diamond on the battlefield

Steps

1. Activate Lion's Eye Diamond by sacrificing it and discarding your hand, adding three mana of any color
2. Yomiji triggers, returning Lion's Eye Diamond from your graveyard to your hand
3. Cast Lion's Eye Diamond by paying
4. Repeat

Results

• Infinite colored mana
• Infinite storm count