Rainbow spray effect

if not game:IsLoaded() then game.Loaded:wait() end 
local IsDescendantOf = game.IsDescendantOf
local LocalPlayer = game:GetService("Players").LocalPlayer
local Character = LocalPlayer.Character or LocalPlayer.CharacterAdded:wait()

local OldNamecall

OldNamecall = hookmetamethod(game, "__namecall",function(...)
        local Args = {...}
        if getnamecallmethod() == "FireServer" then
            if tostring(Args[1]) == "SprayEffect" and IsDescendantOf(Args[1], Character) then
                for _ = 1, 25 do
                    Args[3] = Color3.fromRGB(math.random(1, 255), math.random(1, 255), math.random(1, 255))
                    OldNamecall(unpack(Args))
                end
            else
                return OldNamecall(unpack(Args))
            end
        end
        return OldNamecall(unpack(Args))
 end)