Archetype of Finality + Overseer of the Damned + The Serpent Society + Yahenni, Undying Partisan

BG identity

Commander legal

The 4 combo pieces

• Archetype of Finality
• Overseer of the Damned
• The Serpent Society
• Yahenni, Undying Partisan

How to execute it

1. When an opponent controls a nontoken creature, activate Yahenni by sacrificing another creature.
2. When the creature dies, The Serpent Society triggers, causing each opponent to sacrifice a creature.
3. When the opposing creature(s) die, Overseer of the Damned triggers that many times, creating that many tapped 2/2 Zombie creature tokens that will have deathtouch due to Archetype of Finality.
4. Resolve the Yahenni ability.
5. Repeat as needed.

What the combo produces

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