For example, if you somehow used Souls of the Lost to craft Mastercraft Raptor (perhaps because it became a copy of a Dinosaur), its power while in exile is equal to the number of permanent cards in your graveyard, and Mastercraft Raptor's power will change as the number of permanent cards in your graveyard changes
Wizards designed these cards to go with different themes but not affect the Limited experience
So that's what Black Zenith's ability was
Its particularly strong when it comes to making enchantment tokens, such as Role tokens, or the Glimmers from the previous card
Instant and sorcery cards are used to create one-time effects, while other cards, known as permanents , remain in play until they are removed
Until its removal, defining who could and could not do what was mostly a theoretical exercise