Lethal Vapors + Phyrexian Revoker

B identity

Commander legal

The 2 combo pieces

• Lethal Vapors
• Phyrexian Revoker

What must be in place

"Lethal Vapors" chosen with Phyrexian Revoker.

How to execute it

1. Whenever a creature enters the battlefield, Lethal Vapors triggers, destroying that creature.
2. Because Phyrexian Revoker prevents Lethal Vapors's activated ability from being activated, it cannot be destroyed due to its ability.

What the combo produces

• Destroy all creatures that enter the battlefield
• Lock