Orah, Skyclave Hierophant + Sister Hospitaller + Valiant Changeling + Carrion Feeder

Prerequisites

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Steps

1. 1Activate Carrion Feeder by sacrificing Valiant Changeling.
2. 2When Valiant Changeling dies, Orah triggers, returning Sister Hospitaller from your graveyard to the battlefield.
3. 3When Sister Hospitaller enters, it triggers, returning Valiant Changeling from your graveyard to the battlefield and causing you to gain 7 life.
4. 4Resolve the Carrion Feeder ability.
5. 5Activate Carrion Feeder by sacrificing Sister Hospitaller.
6. 6When Sister Hospitaller dies, Orah triggers, allowing you to return a Cleric with mana value 5 or less from your graveyard to the battlefield.
7. 7Resolve the Carrion Feeder ability.
8. 8Repeat.

Effects

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