Oblivion Sower [Battle for Zendikar Prerelease Promos] Vampire Knight Urza was stunned to find

Urza was stunned to find that common silver passed through the portal undamaged

Now it burns in my mind

Set: EX: Unseen Forces Type: Fire Rarity: Rare Retreat cost: Colorless

look at the top four cards of your library

Set: Sun & Moon: Dragon Majesty Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Oblivion Sower [Battle for Zendikar Prerelease Promos] Vampire Knight Urza was stunned to findSet: Battle for Zendikar Prerelease Promos Type: Creature Eldrazi Rarity: Mythic Cost: {6} When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control. The Eldrazi hunger without limit and consume without pause.