Some thing like that already exists, look for Assassination Enhancement 0.0.1b plugin on google, not gonna post link, there are a lot of options and you can add weapons for vips example
PHP Code:
// Format: as_vip_add_spawnitem <weapon_name> [BackPack count]"
as_vip_add_spawnitem "weapon_deagle" "100"
as_vip_add_spawnitem "weapon_usp" "15"
as_vip_add_spawnitem "weapon_knife"
// as_vip_add_spawnitem "weapon_shield"
// as_vip_add_spawnitem "item_longjump"
// as_vip_add_spawnitem "weapon_smokegrenade"
// as_vip_add_spawnitem "weapon_flashbang"
as_vip_add_spawnitem "weapon_hegrenade"
You can also increase health ou armor for vip, can choose glow too, so maybe works for you