Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Umbral Collar Zealot + Virtuous Variant

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

Umbral Collar Zealot

Virtuous Variant

How it works

1. Activate Umbral Collar Zealot by sacrificing Virtuous Variant.
2. When Virtuous Variant dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Virtuous Variant enters, it triggers, putting a +1/+1 counter on it.
4. Resolve the Umbral Collar Zealot ability.
5. Repeat.