Color Identity: U

Initial Card State
- Cabaretti Courtyard in hand.
- Scaretiller and Retreat to Coralhelm on the battlefield.
Notable Prerequisites
- Scaretiller is untapped.
- You have a basic Forest, Plains or Mountain in library.
Steps
- Play Cabaretti Courtyard.
- Cabaretti Courtyard enters the battlefield, triggering itself and Retreat to Coralhelm.
- Resolve the Cabaretti Courtyard trigger, causing you to sacrifice it, then search your library for a basic Forest, Plains or Mountain card, put it onto the battlefield tapped, and gain 1 life.
- The basic land enters the battlefield, triggering Retreat to Coralhelm, tapping Scaretiller.
- Scaretiller triggers, returning Cabaretti Courtyard from your graveyard to the battlefield tapped.
- Cabaretti Courtyard enters the battlefield, triggering itself and Retreat to Coralhelm.
- Resolve the Retreat to Coralhelm trigger, untapping Scaretiller.
- Repeat from step 3.
Results
- Near-infinite landfall triggers.
- Near-infinite lifegain.
- Near-infinite lifegain triggers.
- Put all basic Forests, Mountains, and Plains from your library onto the battlefield tapped.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).