Mephitic Vapors | 76 | Guilds of Ravnica

Set: Guilds of Ravnica
Rarity: C
#: 76
Creature Type or Sub Type: Sorcery
Rules Text Contains: All creatures get -1/-1 until end of turn.
Surveil 2. (Look at the top two cards of hour library, then put any number of them into your graveyard and the rest on top of your library in any order.)
Flavor: Ravnica's safest strongholds are often neither.