Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Viscera Seer + Butcher Ghoul

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Viscera Seer

Butcher Ghoul

How it works

1. Activate Viscera Seer by sacrificing Butcher Ghoul
2. When Butcher Ghoul dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Resolve the Viscera Seer ability.
4. Activate Viscera Seer by sacrificing Butcher Ghoul
5. When Butcher Ghoul dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6. Butcher Ghoul enters and dies as a state-based action due to having 0 toughness. Its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
7. Resolve the Viscera Seer ability from step 4.
8. Repeat from step 4.