Overseer of the Damned + Dictate of Erebos + Phyrexian Altar

Prerequisites

• You control at least one additional creature.

Steps

1. 1Activate Phyrexian Altar by sacrificing any other creature, adding one mana of any color.
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. 4Repeat.
5. 5You 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