Gemstone Caverns [Time Spiral] New Phyrexia Promos (Then put Timetwister into its

(Then put Timetwister into its owner's graveyard

Sleeper Agent enters the battlefield under the control of an opponent of your choice

Spend this mana only to cast creature spells

The blade glows only for Zendikar's chosen

Arrows are only one way to remove an enemy

Gemstone Caverns [Time Spiral] New Phyrexia Promos (Then put Timetwister into itsSet: Time Spiral Type: Legendary Land Rarity: Rare If Gemstone Caverns is in your opening hand and you're not the starting player, 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.