Yedora, Grave Gardener, Branchsnap Lorian, and Yahenni, Undying Partisan

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Branchsnap Lorian on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Branchsnap Lorian
2. When Branchsnap Lorian dies, Yedora triggers, returning Branchsnap Lorian from your graveyard to the battlefield face down as a Forest land
3. Resolve the Yahenni ability
4. Activate Branchsnap Lorian by tapping it, adding
5. Activate Branchsnap Lorian's morph ability by paying , turning it face up
6. Repeat

Results

• Infinite LTB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite landfall triggers