Foreboding Ruins
3c26ee31-7e2a-4eed-b448-04989fb57523
$2.29 CND
As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.
{T}: Add {B} or {R} to your mana pool.