Gemstone Caverns [Time Spiral] Frog Horror If there are no more

If there are no more scream counters on it

instead look at the top X cards of your library

Set: Antiquities Type: Sorcery Uncommon Cost: {U}{U} Sacrifice an artifact

Set: Beta Edition Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}

{T}: Look at the top four cards of your library

Gemstone Caverns [Time Spiral] Frog Horror If there are no moreSet: Time Spiral Type: Legendary Land Rarity: Rare 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.