Dig Through Time [Khans of Tarkir Prerelease Promos] Artifact Land The model incorporated the fifth

The model incorporated the fifth sun effortlessly

but few can endure the ringing of the spires

At the beginning of the chosen player's upkeep

its controller reveals cards from the top of their library until an artifact or creature card is revealed and exiles that card

Dig Through Time [Khans of Tarkir Prerelease Promos] Artifact Land The model incorporated the fifthSet: Khans of Tarkir Prerelease Promos Type: Instant Rarity: Rare Cost: {6}{U}{U} Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.