Its a competing set of Orks in War Zone Octarius. Lets see some of the rules that has the sneaky Blood Axes going against the speed mob.
via WarCom
Codex Supplement: Blood Axes
Few clans prize the kunnin’ brutality of Mork like the Blood Axes, who have a bad reputation among their fellow greenskins for using un-Orky ideas like ‘strategy’ and ‘planning’. Naysayers often find themselves with a choppa sticking out of their backs, and it’s these talents in stealth and assassination that the Blood Axes bring to the battlefield.
Speed Freeks Speed Mob
Where Blood Axes creep quietly towards their targets with uncommon discipline, Speed Freeks roar into battle atop loud, ramshackle warbuggies. Some especially wealthy tribes will even field an entire army mounted on some kind of vehicle, and it’s these Speed Mobs that run rings around Imperial tanks and Tyranid bio-monsters alike.
War Zone Octarius – Book 2: Critical Mass is up for pre-order this Saturday, the 6th of November