Gemstone Caverns [Time Spiral] Revised Edition Set: Shards of Alara Type:

Set: Shards of Alara Type: Legendary Planeswalker — Tezzeret Mythic Cost: {3}{U}{U} +1: Untap up to two target artifacts

defending player reveals the top card of their library

you may put Nether Shadow onto the battlefield

Set: Ravnica: City of Guilds Type: Artifact Rare Cost: {3} Whenever a nonartifact permanent enters the battlefield under your control

then draw seven cards

Gemstone Caverns [Time Spiral] Revised Edition Set: Shards of Alara Type:Set: Time Spiral Type: Legendary Land Rare Cost: 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.