Initial Card State
- Treva's Ruins in hand.
- Retreat to Emeria and Haru on the battlefield.
Easy Prerequisites
- You are able to play a land this turn.
Steps
- Play Treva's Ruins.
- When Treva's Ruins 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 Treva's Ruins.
- Resolve the Treva's Ruins trigger from step 2, causing you to sacrifice it.
- Haru triggers, returning Treva's Ruins from your graveyard to the battlefield.
- Repeat from step 2.
Results
- Infinite ETB.
- Infinite lifegain triggers.
- Infinite lifegain.
- Infinite creature tokens.
- Infinite landfall triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).