How it works
Steps
- 1Whenever a creature enters the battlefield, Lethal Vapors triggers, destroying that creature.
- 2Because Null Rod prevents Lethal Vapors's activated ability from being activated, it cannot be destroyed due to its ability.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Spicy tier?
Spellbook classifies this as Spicy — not for these brackets.