Noxious Gearhulk [Kaladesh Prerelease Promos] SM217 you may pay {G}{U}

you may pay {G}{U}

double its controller's life total

You start the bidding with a bid of any number

the player can activate mana abilities only if they're from lands that player controls and only if mana they produce is spent to activate other mana abilities of lands the player controls and/or to play that card

Noxious Gearhulk [Kaladesh Prerelease Promos] SM217 you may pay {G}{U}Set: Kaladesh Prerelease Promos Type: Artifact Creature Construct Rarity: Mythic Cost: {4}{B}{B} Menace When Noxious Gearhulk enters the battlefield, you may destroy another target creature. If a creature is destroyed this way, you gain life equal to its toughness.