Mephitic Vapors [Guilds of Ravnica] Duels of the Planeswalkers Promos 2010 It runs an endless circuit

It runs an endless circuit along the ruined roads of the soon-to-be-forgotten Mirran civilization

Set: Guilds of Ravnica Type: Enchantment Rarity: Mythic Cost: {4}{U}{R} Whenever you cast an instant or sorcery spell

Set: Tenth Edition Type: Creature — Wurm Rarity: Rare Cost: {4}{R} At the beginning of your upkeep

{T}: Add {U} or {R}

Mephitic Vapors [Guilds of Ravnica] Duels of the Planeswalkers Promos 2010 It runs an endless circuitSet: Guilds of Ravnica Type: Sorcery Rarity: Common Cost: {2}{B} All creatures get 1 1 until end of turn. Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Ravnica's safest strongholds are often neither.