Color Identity: B

Prerequisites

  1.  
    Lethal Vapors
    Lethal Vapors     and
    Pithing Needle
    Pithing Needle     on the battlefield.
  2. "
    Lethal Vapors
    Lethal Vapors    " chosen with
    Pithing Needle
    Pithing Needle    .

Steps

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

Results

  1. Destroy all creatures that enter the battlefield.

Metadata

  1. In 84 decks according to EDHREC.
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