[-Rebel Son-]

Never tryed before, let me go try one, check back here soon.

EDIT

Top of script

Code:

new timer;
new secs;

The command.

Code:

if(!strcmp(cmd,"/countdown,true)) {
  secs = 5;
  timer = SetTimer("countdown", 999, 1);
  return 1;}

the function.

Code:

forward Countdown();
public Countdown()
{
if(secs == 0)
{
GameTextForAll("~r~Go!",1000,3);
KillTimer(timer);
}
else
{
new string[8];
format(string,sizeof(string),"~R~%d",secs);
GameTextForAll(string,1000,3);
}
secs = secs-1;
return 1;
}