Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Evernight Shade + Yahenni, Undying Partisan

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

Evernight Shade

Yahenni, Undying Partisan

How it works

1. Activate Yahenni 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 Yahenni ability.
4. Activate Yahenni 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 Yahenni ability from step 4.
8. Repeat from step 4.