[quote=@Dark Cloud]
[@ZAVAZggg] Okay the simplest way to understand it is if you know what a Planeswalker is as the Key is essentially the equivalent of a Planeswalker's Spark.
[/quote]

I don't play MtG, and the part that confuses me is the fact that these Keys are supposed to add something new and can't just act as a natural growth of some pre-existing thing or experience, etc.