Viscera Seer + Dualcaster Mage + Graceful Reprieve

Viscera Seer

Dualcaster Mage

Graceful Reprieve

How it works

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

This clever loop relies on an infinite recursion of entering and leaving the battlefield to churn through your deck and trigger endless death triggers. You kick things off by casting Graceful Reprieve, then interrupting it with Dualcaster Mage so its entry trigger targets the original spell with a copy. Once that copy resolves to set up a delayed return, Viscera Seer acts as the ultimate outlet, letting you instantly sacrifice Dualcaster Mage to trigger the Reprieve and bring the Mage right back to do it all over again.