Infinite ETB, Infinite lifegain triggers, Infinite lifegain, Infinite creature tokens, Near-infinite landfall triggers, Infinite landfall triggers, Put all basic Mountains from your library onto the battlefield tapped, Put all basic Islands from your library onto the battlefield tapped, Put all basic Swamps from your library onto the battlefield tapped
Play Maestros Theater.
When Maestros Theater enters, it and Retreat to Emeria trigger.
Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token.
When the Kor Ally enters, Haru triggers, earthbending Maestros Theater.
Resolve the Maestros Theater trigger from step 2, causing you to sacrifice it, search your library for an applicable land and put it onto the battlefield tapped, and gain 1 life.
Haru triggers, returning Maestros Theater from your graveyard to the battlefield.
R
Component Cards
How It Works
Play Maestros Theater.
When Maestros Theater enters, it and Retreat to Emeria trigger.
Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token.
When the Kor Ally enters, Haru triggers, earthbending Maestros Theater.
Resolve the Maestros Theater trigger from step 2, causing you to sacrifice it, search your library for an applicable land and put it onto the battlefield tapped, and gain 1 life.
Haru triggers, returning Maestros Theater from your graveyard to the battlefield.
Repeat from step 2.