Yedora, Grave Gardener, Living Plane, and Altar of Dementia

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Living Plane on the battlefield
• Altar of Dementia on the battlefield
• You control an additional nontoken creature

Steps

1. Activate Altar of Dementia by sacrificing another nontoken creature
2. When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face down as a Forest land and as a 1/1 creature due to Living Plane
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the creature's power
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill