When Obsidian Shores enters the battlefield, you lose 1 life unless you reveal a monocolored card from your hand.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
: Remove a counter from target permanent.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead.: Remove a counter from target permanent.
