Combustible Gearhulk [Kaladesh Inventions] Oath of the Gatewatch Prerelease Promos At the beginning of your

At the beginning of your draw step

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control

you may search your library for up to two land cards

Iron Maiden deals X damage to that player

Combustible Gearhulk [Kaladesh Inventions] Oath of the Gatewatch Prerelease Promos At the beginning of yourSet: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {4}{R}{R} First strike When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.