Yomiji, Who Bars the Way, Saffi Eriksdotter, and Composite Golem

Prerequisites

• Yomiji, Who Bars the Way on the battlefield
• Saffi Eriksdotter on the battlefield
• Composite Golem on the battlefield

Steps

1. Activate Saffi by sacrificing it, targeting Composite Golem
2. Saffi dies, triggering Yomiji, returning Saffi from your graveyard to your hand
3. Resolve the Saffi ability, causing Composite Golem to be returned to the battlefield the next time it dies this turn
4. Activate Composite Golem by sacrificing it, adding
5. Saffi triggers, returning Composite Golem from your graveyard to the battlefield
6. Cast Saffi by paying
7. Repeat

Results

• Infinite black mana
• Infinite blue mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite red mana
• Infinite sacrifice triggers
• Infinite storm count