Lethal Vapors [Scourge] Duels of the Planeswalkers Promos 2010 −2: Search your library for

−2: Search your library for a card

if two Elemental Shamans and an Elemental Spirit are on the battlefield

remove both of them from combat

It's now apparent that he intends to use the device to hamper the 'mages' among the ranks of the renegades

Leviathan enters the battlefield tapped and doesn't untap during your untap step

Lethal Vapors [Scourge] Duels of the Planeswalkers Promos 2010 −2: Search your library forSet: Scourge Type: Enchantment Rarity: Rare Cost: {2}{B}{B} Whenever a creature enters the battlefield, destroy it. {0}: Destroy Lethal Vapors. You skip your next turn. Any player may activate this ability. The vapors infiltrate every crevice, poison every lung, and snuff out every life.