Drowned Catacomb | Magic: The Gathering
Formats Drowned Catacomb is Legal in
Official Oracle Text for Drowned Catacomb
: Add or to your mana pool.
Official Rulings for Drowned Catacomb
10/1/2009 : As this is entering the battlefield, it checks for lands that are already on the battlefield. It won't see lands that are entering the battlefield at the same time (due to Warp World, for example).