Elven Sanctuary

{t}: Add {w} to your mana pool.
As Elven Sanctuary comes into play, you may reaveal a Elf card from your hand. If you dont, Elven Sanctuary comes into play tapped.
{t}: Add {b} or {g} to your mana pool. Elven Sanctuary deals 1 damage to you, unless you control a Elf creature.