Billboarder's Steal is Princess Mackenzie's Down Special in Super Smash Sisters. The steal is always Billboarders. The billboarder's move called Princess Mackenzie's Steal when they have it when Samus (Smash Wars) or Somas with their Charge Shot.
Princess Mackenzie's Special Moves
Standard Special - Billboarder's Billboard
Side Special - Billboard Throw
U'p Special - Billboard Slash
Down Special - Billboarder's Steal
Final Smash - Billboarder's Billboards