Yedora, Grave Gardener, Kamahl, Fist of Krosa, and Altar of Dementia

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Kamahl, Fist of Krosa on the battlefield
• Altar of Dementia on the battlefield
• You control at least one Forest

Steps

1. Activate the Forest by tapping it, adding
2. Activate Kamahl's first ability by paying , causing the Forest to become a 1/1 creature until end of turn
3. Activate Altar of Dementia by sacrificing the Forest
4. When the Forest dies, Yedora triggers, returning the Forest land from your graveyard to the battlefield face down as a Forest land
5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Forest's power
6. Repeat

Results

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