Many familiars are owned by something else, like Stonebinders Familiar, or have an inherent connection to a certain type of mage, like Thaumaturges Familiar or Necromancers Familiar
However, there are some Pokmon that can pierce through these abilities, and these utility cards often find their way into decks because of this unique trait
The only doubts I have on this card are that it doesn't synergize at all with FlickerFlicker, which isn't mandatory but it'd still be a pretty good point in its favor, and, most importantly, that it seems weird to place in a deck's curve
One of the most famous is energy, a mechanic that debuted with Kaladesh and swiftly overwhelmed Standard, which led to a slew of bans at the time
Blood Artist could overtake Bombardment in value one day as it scales with other sac outlets and other engine cards making it always good
Because of that, Gardevoir ex has an easier time against Raging Bolt ex and Dragapult ex, which keeps Journey Together important in the current meta