Sash and Waistcoat, Unmen, Agatha of the Vile Cauldron, Davvol, Evincar of Rath, and Greenhouse Propagator

Prerequisites

• Sash and Waistcoat, Unmen on the battlefield
• Agatha of the Vile Cauldron on the battlefield
• Davvol, Evincar of Rath on the battlefield
• Greenhouse Propagator on the battlefield
• available

Steps

1. Activate Sash and Waistcoat by paying due to Agatha of the Vile Cauldron, manifesting the top card of your library
2. When the manifested card enters, Greenhouse Propagator and Davvol trigger
3. Resolve the Greenhouse Propagator trigger, causing you to gain 1 life Resolve the Davvol trigger, adding and causing you to lose 1 life Repeat

Results

• Manifest your entire library
• Near-infinite creature ETB
• Near-infinite lifegain triggers