IMHO,
(1) pretending something other than the baseball was a baseball and throwing that = obstruction & ejection....Happened several years ago with Pawsox AAA catcher. He peeled a potato, threw potato over runner @ 3rd and then tagged him with pitch he had caught = penalized as above.
(2) a fielder can cause verbal obstruction for pretending to be an umpire/teammate/coach of runner.
(3) faking a throw to 2nd isn't a balk. yelling verbal command to teammate probably isn't verbal obstruction.
(4) I probably would let play stand. It probably would only work once.
10-2-3g = 1-1-6 in football, if needed.