Damping Matrix + Lethal Vapors + Mycosynth Lattice

B identity

Commander legal

The 3 combo pieces

• Damping Matrix
• Lethal Vapors
• Mycosynth Lattice

How to execute it

1. Whenever a creature enters the battlefield, Lethal Vapors triggers, destroying that creature.
2. Because Damping Matrix 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