Yedora, Grave Gardener, Phyrexian Altar, and Daru Mender

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Phyrexian Altar on the battlefield
• Daru Mender on the battlefield

Steps

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

Results

• Infinite death triggers
• Infinite green mana
• Infinite landfall triggers
• Infinite LTB
• Infinite sacrifice triggers