Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Viscera Seer + Pyreheart Wolf

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

Viscera Seer

Pyreheart Wolf

How it works

1. Activate Viscera Seer by sacrificing Pyreheart Wolf
2. When Pyreheart Wolf 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 Pyreheart Wolf
5. When Pyreheart Wolf dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6. Pyreheart Wolf 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.