For the Ancestors [Commander Masters] Land // Artifact Creature Set: Time Spiral Type: Creature

Set: Time Spiral Type: Creature — Sliver Rarity: Common Cost: {1}{R} All Sliver creatures have menace

As Steam Vents enters the battlefield

"I'd strip away the world to see what's under it

Set: Archenemy Type: Artifact Rarity: Uncommon Cost: {4} At the beginning of each opponent's upkeep

For the Ancestors [Commander Masters] Land // Artifact Creature Set: Time Spiral Type: CreatureSet: Commander Masters Type: instant Rarity: Rare Cost: {2}{G} Choose a creature type. Look at the top six cards of your library. You may reveal any number of cards of the chosen type from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order. Flashback 3G (You may cast this card from your graveyard for its flashback cost. Then exile it.)