Gemstone Caverns [Time Spiral Remastered]

Description

Set:	Time Spiral Remastered
Type:	Legendary Land
Rarity:	Mythic

If Gemstone Caverns is in your opening hand and you're not playing first, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.
{T}: Add {C}. If Gemstone Caverns has a
luck counter on it, instead add one mana of any color.