Overseer of the Damned + Dictate of Erebos + Altar of Dementia

Prerequisites

• You control at least one additional creature.

Steps

1. 1Activate Altar of Dementia by sacrificing any other creature.
2. 2Dictate of Erebos triggers, causing each opponent to sacrifice a creature.
3. 3Overseer of the Damned triggers, creating a 2/2 Zombie creature token for each creature sacrificed.
4. 4Resolve the Altar of Dementia trigger, causing target player to mill cards equal to the sacrificed creature's power.
5. 5Repeat.
6. 6You may also repeat this loop any time a creature enters the battlefield under an opponent control.

Effects

• Each opponent sacrifices all creatures they control
• Each opponent sacrifices any creature that enters under their control
• Lock