Ancestor's Chosen + Orah, Skyclave Hierophant + Phantom Train + Sister Hospitaller

WB identity

Commander legal

The 4 combo pieces

• Ancestor's Chosen
• Orah, Skyclave Hierophant
• Phantom Train
• Sister Hospitaller

How to execute it

1. Activate Phantom Train by sacrificing Ancestor's Chosen.
2. When Ancestor's Chosen dies, Orah triggers, returning Sister Hospitaller from your graveyard to the battlefield.
3. When Sister Hospitaller enters, it triggers, returning Ancestor's Chosen from your graveyard to the battlefield and causing you to gain 7 life.
4. When Ancestor's Chosen enters, it triggers, causing you to gain 1 life for each card in your graveyard.
5. Resolve the Phantom Train ability.
6. Activate Phantom Train by sacrificing Sister Hospitaller.
7. When Sister Hospitaller dies, Orah triggers, allowing you to return a Cleric with mana value 5 or less from your graveyard to the battlefield.
8. Resolve the Phantom Train ability.
9. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite recursion of some creature cards in your graveyard
• Infinite sacrifice triggers