Gemstone Caverns [Time Spiral] The Dark Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Instant — Arcane Rare Cost: {X}{U}{U} You may exile a blue card with converted mana cost X from your hand rather than pay this spell's mana cost

"We had years to prepare

Set: Modern Masters 2015 Type: Legendary Creature — Praetor Mythic Cost: {5}{W}{W} Vigilance Other creatures you control get +2/+2

Set: Legends Type: Enchantment Rare Cost: {2}{W}{W} Whenever a Mountain an opponent controls becomes tapped

−8: You get an emblem with "Whenever an opponent casts their first spell each turn

Gemstone Caverns [Time Spiral] The Dark Set: Betrayers of Kamigawa Type:Set: 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.