Altar of Dementia + Dualcaster Mage + Supernatural Stamina

Altar of Dementia

Dualcaster Mage

Supernatural Stamina

How it works

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

This brilliant little loop turns Dualcaster Mage into an endless recycling engine by making the wizard perpetually resurrect itself. When you cast Supernatural Stamina and flash in Dualcaster Mage, the mage's enters-the-battlefield trigger copies the Stamina to target the Mage itself, granting it the crucial revival clause upon death. From there, you simply sacrifice the empowered wizard to Altar of Dementia; its death triggers the delayed return from Supernatural Stamina, bringing it right back to the battlefield to copy the spell all over again. Because Altar of Dementia feeds your graveyard and mills opponents with every iteration of this sacrifice loop, you can easily grind through an entire library while triggering any enters-the-battlefield or death effects infinitely.