Retreat to Emeria, Haru, Hidden Talent, and Phyrexian Altar

Prerequisites

• Retreat to Emeria on the battlefield
• Haru, Hidden Talent on the battlefield
• Phyrexian Altar on the battlefield

Steps

1. Play a land
2. When the land enters, Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token
3. When the Kor Ally enters, Haru triggers, earthbending the land that entered
4. Activate Phyrexian Altar by sacrificing the earthbended land
5. Haru triggers, returning the land from your graveyard to the battlefield tapped
6. When the land enters, Retreat to Emeria triggers, creating a 1/1 Kor Ally creature token
7. When the Kor Ally enters, Haru triggers, earthbending the land that entered
8. Repeat from step 4

Results

• Infinite death triggers
• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite creature tokens
• Infinite landfall triggers