Retreat to Emeria, Haru, Hidden Talent, Strip Mine, and Amulet of Vigor

Prerequisites

• Retreat to Emeria on the battlefield
• Haru, Hidden Talent on the battlefield
• Strip Mine in hand
• Amulet of Vigor in hand

Steps

1. Play Strip Mine
2. When Strip Mine enters, Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token
3. When the Kor Ally enters, Haru triggers, earthbending Strip Mine
4. Activate Strip Mine's second ability by tapping and sacrificing it, targeting another land
5. Haru triggers, returning Strip Mine from your graveyard to the battlefield tapped
6. When Strip Mine enters, Retreat to Emeria and Amulet of Vigor trigger
7. Resolve the Amulet of Vigor trigger, untapping Strip Mine
8. Resolve the Retreat to Emeria trigger, creating a 1/1 Kor Ally creature token
9. Repeat from step 3

Results

• Destroy all lands opponents control
• Destroy all lands that enter the battlefield under an opponent's control
• Infinite ETB
• Infinite creature tokens
• Infinite landfall triggers
• Lock
• Mass Land Denial