I think if conditions can support PlaceholderAPI, it should be very useful.Beacause there are thousands placeholders in it. Simplely set a placeholder, make it check for a player then it can do tons of things.
PlaceholderAPI: https://www.spigotmc.org/resources/placeholderapi.6245/
PlaceholderAPI: https://www.spigotmc.org/resources/placeholderapi.6245/