Retreat to Emeria, Haru, Hidden Talent, and Everglades

Prerequisites

• Retreat to Emeria on the battlefield
• Haru, Hidden Talent on the battlefield
• Everglades in hand

Steps

1. Play Everglades
2. When Everglades enters, it and Retreat to Emeria trigger
3. Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token
4. When the Kor Ally enters, Haru triggers, earthbending Everglades
5. Resolve the Everglades trigger from step 2, causing you to sacrifice it Haru triggers, returning Everglades from your graveyard to the battlefield
6. Repeat from step 2

Results

• Infinite ETB
• Infinite lifegain triggers
• Infinite lifegain
• Infinite creature tokens
• Infinite landfall triggers