Yedora, Grave Gardener + Granite Witness + Skirk Alarmist + Arcbound Ravager

Yedora, Grave Gardener

Granite Witness

Skirk Alarmist

Arcbound Ravager

How it works

1. Activate Arcbound Ravager 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 Arcbound Ravager ability, putting a +1/+1 counter on it.
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.