B should be Recurved bow, which will work exactly like it does in Blockland, and side-B should be the hammer, which would be used similar to Kirby's hammer in SSBB.
The grab item should be the wrench instead of the spear.
Up taunt should spam the printer in the sky
Down taunt should be dryhump
Regular taunt should make you shoot yourself with the horse ray, turning yourself into a horse for a second.
Someone needs to make a homebrew for Wii U somehow, because a blockhead could probably be modded in when it comes out.