It teased my brain and made it go into overtime!

Type the words"GHOSTS AND GOBLINS"


Change all of the S's to T's


Change the O's to A's and A's to O's


Move the fourth letter to first place


Move the third T to 12th place


Change all the G's to R's


Remove the tenth and eleventh letters


Switch the 4th and 12th place letters


Remove the middle two letters


Reverse the 3rd and 4th place letters


Change the 4th letter to a C and the 9th letter to an R


Reverse the tenth and eleventh letters


Change the N to an E


Change the second T to a K


You should now have an appropriate phrase!