Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Phyrexian Altar + Young Wolf

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

Phyrexian Altar

Young Wolf

How it works

1. Activate Phyrexian Altar by sacrificing Young Wolf
2. When Young Wolf dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Activate Phyrexian Altar by sacrificing Young Wolf
4. When Young Wolf dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
5. Young 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.
6. Repeat from step 3.