Requires

Steps

1. Activate Ashnod's Altar by sacrificing Flayer of the Hatebound, adding .
2. Flayer of the Hatebound dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Flayer of the Hatebound enters the battlefield, triggering itself and Intruder Alarm.
4. Resolve the Flayer of the Hatebound trigger, dealing damage equal to its power to any target.
5. Resolve the Intruder Alarm trigger, untapping all creatures.
6. Activate Skeleton Ship by tapping it, putting a -1/-1 counter on Flayer of the Hatebound.
7. Repeat.

Results