Yomiji, Who Bars the Way, Leyline of Singularity, and Urza's Bauble

Prerequisites

• Yomiji, Who Bars the Way on the battlefield
• Leyline of Singularity on the battlefield
• Urza's Bauble on the battlefield

Steps

1. Activate Urza's Bauble by sacrificing it
2. Yomiji triggers due to Leyline of Singularity, returning Urza's Bauble from your graveyard to your hand
3. Resolve Urza's Bauble's ability
4. Cast Urza's Bauble by paying
5. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite card draw at the beginning of the next upkeep
• Infinite draw triggers at the beginning of the next upkeep
• Infinite storm count