Uhhhhhhhhhhhhh

Code (Text):

1.  
2. on rightclick:
3.     execute player command "beaconstuff"
4.  
5. command /beaconstuff [<string>]:
6.     cooldown: 10 seconds
7.     cooldown message: &r
8.     trigger:
9.         target block is beacon
10.         player's tool is any sword
11.  
12.         set {_name} to random element of "gf" and "gg" and "Back to spawn"
13.  
14.         set player's tool's name to {_name}
15.         send "&aYour sword was renamed to %{_name}%"
16.  
17.  

This might does it but y