Maestros Theater + Retreat to Coralhelm + Scaretiller

U identity

Commander legal

The 3 combo pieces

• Maestros Theater
• Retreat to Coralhelm
• Scaretiller

What must be in place

Scaretiller is untapped.
You have a basic Island, Mountain, or Swamp in library.

How to execute it

1. Play Maestros Theater.
2. Maestros Theater enters the battlefield, triggering itself and Retreat to Coralhelm.
3. Resolve the Maestros Theater trigger, causing you to sacrifice it, then search your library for a basic Mountain, Swamp or Island card, put it onto the battlefield tapped, and gain 1 life.
4. The basic land enters the battlefield, triggering Retreat to Coralhelm, tapping Scaretiller.
5. Scaretiller triggers, returning Maestros Theater from your graveyard to the battlefield tapped.
6. Maestros Theater enters the battlefield, triggering itself and Retreat to Coralhelm.
7. Resolve the Retreat to Coralhelm trigger, untapping Scaretiller.
8. Repeat from step 3.

What the combo produces

• Near-infinite landfall triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Put all basic Swamps, Islands, and Mountains from your library onto the battlefield tapped