Yedora, Grave Gardener, Altar of Dementia, and Watcher of the Roost Combo

Yedora, Grave Gardener, Altar of Dementia, and Watcher of the Roost

Here's how the cards Yedora, Grave Gardener, Altar of Dementia, and Watcher of the Roost results in Infinite death triggers, Infinite green mana, Infinite landfall triggers, Infinite lifegain, Infinite lifegain triggers, Infinite LTB, Infinite mill, Infinite sacrifice triggers, and Infinite self-mill

Yedora, Grave Gardener

Altar of Dementia

Watcher of the Roost

Prerequisites

Yedora, Grave Gardener on the battlefield
Altar of Dementia on the battlefield
Watcher of the Roost on the battlefield

Steps

Activate Altar of Dementia by sacrificing Watcher of the Roost
When Watcher of the Roost dies, Yedora triggers, returning Watcher of the Roost from your graveyard to the battlefield face down as a Forest land
Resolve the Altar of Dementia ability, causing target player to mill cards equal to Watcher of the Roost's power
Activate Watcher of the Roost by tapping it, adding
Activate Watcher of the Roost's morph ability by revealing a white card from your hand, turning it face up
Watcher of the Roost triggers, causing you to gain 2 life
Repeat