Preston, the Vanisher, Blasting Station, Sister Hospitaller, and Nature's Rhythm

Prerequisites

• Preston, the Vanisher on the battlefield
• Blasting Station on the battlefield
• Sister Hospitaller in hand
• Nature's Rhythm in hand or in the graveyard
• at most available

Steps

1. Cast Nature's Rhythm from your hand by paying or from your graveyard for its harmonize cost by paying at most , searching your library for Sister Hospitaller and putting it onto the battlefield
2. When Sister Hospitaller enters, it, Blasting Station and Preston trigger
3. Resolve the Blasting Station trigger, untapping it Resolve the Sister Hospitaller trigger, returning an applicable target from your graveyard to the battlefield
4. If you returned a creature in step 4, Blasting Station triggers, untapping Blasting Station
5. Holding priority, activate Blasting Station by tapping it and sacrificing Sister Hospitaller
6. Resolve the Preston trigger, creating a token copy of Sister Hospitaller that is a 0/1 Illusion
7. When the Sister Hospitaller token enters, it and Blasting Station trigger
8. Resolve the Blasting Station trigger, untapping it Resolve the Sister Hospitaller token's trigger, returning Sister Hospitaller from your graveyard to the battlefield
9. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite creature tokens
• Infinite damage
• Infinite death triggers
• Infinite recursion of creature cards in your graveyard
• Infinite sacrifice triggers
• Infinite lifegain
• Infinite lifegain triggers