Mikaeus, the Unhallowed + Grinding Station + Pith Driller

Mikaeus, the Unhallowed

Grinding Station

Pith Driller

How it works

1. Activate Grinding Station by tapping it and sacrifiicing Pith Driller.
2. When Pith Driller dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. When Pith Driller enters the battlefield, it and Grinding Station trigger.
4. Resolve the Pith Driller trigger, putting a -1/-1 counter on it.
5. Resolve the Grinding Station trigger, untapping it.
6. Resolve the Grinding Station ability from step 1, causing target player to mill three cards.
7. Repeat.