How to make a gun equip gui with a RepStorage Value Inside Of A While True Do Script?

so what i dont know is this if i click a button a value will change only for local players and if the round starts with a while true do script like this

while true do game.ServerStorage.Maps.MapA:clone().Parent = workspace and then like a count down (already scripted that) and after that countdown our value will be read by the main script and gives the sword how to do this thanks for repleying