Combustible Gearhulk [Kaladesh Prerelease Promos] Human Advisor Set: Amonkhet Invocations Type: Instant

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {B} Add {B}{B}{B}

that player loses 2 life and you gain 2 life

Then if there are four or more charge counters on it

The sea gives

Combustible Gearhulk [Kaladesh Prerelease Promos] Human Advisor Set: Amonkhet Invocations Type: InstantSet: Kaladesh Prerelease Promos 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.