Combustible Gearhulk [Kaladesh Promos] Dominaria Promos The key did not work

The key did not work on a single lock

Set: Chronicles Type: Enchantment Rare Cost: {2}{R} Nonbasic lands are Mountains

Perhaps the creature enjoys the gentle rocking motion caused by its captives' struggles to escape its web

Set: Magic 2012 Type: Creature — Bird Rare Cost: {G} Flying {T}: Add one mana of any color

Combustible Gearhulk [Kaladesh Promos] Dominaria Promos The key did not workSet: Kaladesh Promos Type: Artifact Creature Construct 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 converted mana cost of those cards.