Umbral Collar Zealot + Dualcaster Mage + Pain 101

Umbral Collar Zealot

Dualcaster Mage

Pain 101

How it works

1. Cast Pain 101 by paying its mana cost.
2. Holding priority, cast Dualcaster Mage by paying its mana cost.
3. When Dualcaster Mage enters, it triggers, copying Pain 101, with the copy targeting Dualcaster Mage.
4. Resolve the copy of Pain 101.
5. Holding priority, activate Umbral Collar Zealot by sacrificing Dualcaster Mage.
6. When Dualcaster Mage dies, it triggers, returning it from your graveyard to the battlefield.
7. Repeat from step 3.
8. Resolve all Umbral Collar Zealot abilities from step 5.