Dr. Boom has hired the wildest boar biker gang in Tanaris as freelance mercenaries. Their payment? Some sick hi-tech bikes coming directly from the Boom Labs!
The Hog Bikers have always been too situational to use outside of Arena, where you didn't really mind too much if the effect did not activate. With this card, you can use the one who suits the situation, but you'll have to pay one extra mana for that consistency.