Bargain means "As an additional cost to cast this spell, you may sacrifice an artifact, enchantment, or token." Bargain represents an optional additional cost
Actually, a lot of them are Enchantment Creatures themselves
They feature a gold foil card name and gold foil on the card's image, image frame, text border, and card border
Its incredibly difficult to cast this spell and not win the game or at least eliminate a player, but you can also use it against board wipes, targeted removal, or a potential alpha strike from an opponent
Gnoll War Band Gnoll War Band gives aggressive decks a fairly efficient threat since you can easily get half off, especially when paired with other myriad cards
There is one in total: Buzzwole ex (immersive rare) All the Shiny Pokmon cards in Pokmon TCG Pocket Extradimensional Crisis These are all the shiny Pokmon cards in Extradimensional Crisis