Phyrexian Altar + Saffi Eriksdotter + Sister Hospitaller

WBG identity

Commander legal

The 3 combo pieces

• Phyrexian Altar
• Saffi Eriksdotter
• Sister Hospitaller

How to execute it

1. Activate Saffi by sacrificing it, targeting Sister Hospitaller
2. Activate Phyrexian Altar by sacrificing Sister Hospitaller
3. When Sister Hospitaller dies, Saffi triggers, returning Sister Hospitaller from your graveyard to the battlefield.
4. When Sister Hospitaller enters, it triggers, returning Saffi from your graveyard to the battlefield and causing you to gain 2 life.
5. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers