Saffi Eriksdotter + Umbral Collar Zealot + Hero of the Dunes

Saffi Eriksdotter

Umbral Collar Zealot

Hero of the Dunes

How it works

1. Activate Saffi by sacrificing it, targeting Hero of the Dunes
2. Activate Umbral Collar Zealot by sacrificing Hero of the Dunes
3. When Hero of the Dunes dies, Saffi triggers, returning Hero of the Dunes from your graveyard to the battlefield.
4. When Hero of the Dunes enters, it triggers, returning Saffi from your graveyard to the battlefield.
5. Resolve the Umbral Collar Zealot ability.
6. Repeat.