Leyline of Singularity + Phyrexian Altar + Shield Sphere + Yomiji, Who Bars the Way

WU identity

Commander legal

The 4 combo pieces

• Leyline of Singularity
• Phyrexian Altar
• Shield Sphere
• Yomiji, Who Bars the Way

How to execute it

1. Activate Phyrexian Altar by sacrificing Shield Sphere, adding one mana of any color.
2. Yomiji triggers, returning Shield Sphere from your graveyard to your hand.
3. Cast Shield Sphere by paying {0}.
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite storm count