Dualcaster Mage + Demonic Gifts + Phantom Train

Dualcaster Mage

Demonic Gifts

Phantom Train

How it works

1. Cast Demonic Gifts by paying its mana cost.
2. Holding priority, cast Dualcaster Mage by paying its mana cost.
3. When Dualcaster Mage enters, it triggers, copying Demonic Gifts, with the copy targeting Dualcaster Mage.
4. Resolve the copy of Demonic Gifts.
5. Holding priority, activate Phantom Train 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 Phantom Train abilities from step 5.