Glittering Caves of Aglarond

If Glittering Caverns is in your opening hand
and you're not the starting player, you may
begin the game with Glittering Caves on the
battlefield with a luck counter on it.
If you do, exile a card from your hand.
{t}: Add {c}. If Glittering Caverns has a luck
counter on it, instead add one mana of any color.
"Filled with an everlasting music of water."