Yedora, Grave Gardener + Granite Witness + Skirk Alarmist + Altar of Dementia

Yedora, Grave Gardener

Granite Witness

Skirk Alarmist

Altar of Dementia

How it works

1. Activate Altar of Dementia by sacrificing Granite Witness.
2. When Granite Witness dies, Yedora triggers, returning Granite Witness from your graveyard to the battlefield face-down as a Forest land.
3. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Granite Witness's power.
4. Activate Granite Witness by tapping it, adding .
5. Activate Skirk Alarmist by tapping it, turning Granite Witness face-up.
6. Granite Witness triggers, untapping Skirk Alarmist.
7. Repeat.