Several examples of typical black cards include Fukurou from Pillars of Strength [OP-03] which cant be KOd by effects, Kuzan from Paramount War [OP-02] which enables the player to draw a card when played before reducing the cost of an opponents Character by 4 during that turn, and Hina from the same set which when on block, allows the player to select any of the opponents Characters with a cost of 6 or less and prevent that opposing Character from attacking during that turn
Exile Exile is one of the zones of play where cards and objects can exist or move to during a game
You choose the target card in your graveyard as Daretti's second ability is put on the stack, but you don't choose whether to sacrifice an artifact or which one to sacrifice until the ability resolves
Instead, if newly released cards are low quality, just wait a few days, they will be updated with high-resolution images as soon as possible
Since this ability checks the mana spent and not the mana value, those synergies are off the table