When Obsidian Shelter enters the battlefield, sacrifice it unless you pay 2 life.
: Add to your mana pool. Activate this ability only if you control a Swamp.
: Add to your mana pool. Activate this ability only if you control an Island.
Cycling (, Discard this card: Draw a card.)
Share this card: Go to Innistrad spoiler mode and fool your friends!
GoodGamery.com
: Add 
to your mana pool. Activate this ability only if you control a Swamp.
to your mana pool. Activate this ability only if you control an Island.
(
