Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Carrion Feeder + Evernight Shade

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

Carrion Feeder

Evernight Shade

How it works

1. Activate Carrion Feeder by sacrificing Evernight Shade
2. When Evernight Shade dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. Resolve the Carrion Feeder ability.
4. Activate Carrion Feeder by sacrificing Evernight Shade
5. When Evernight Shade dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6. Evernight Shade 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 Carrion Feeder ability from step 4.
8. Repeat from step 4.