If an older card that should have a clear blue core transmits light in a strange or inconsistent way, it may be a fake card
Ketramose, the New Dawn Esper Midrange decks love the card draw from Ketramose, the New Dawn, and this god in turn loves Psychic Frog for the ability to exile cards from your graveyard
As if that wasnt enough, there are two iterations of these five Fetches, with a new type of foiling called Dragonscale foils based off each Spirit Dragon and with new artwork
The biggest downside is that 4UU is a decent cost of lip, making it slow, and its among cards exiled with this permanent meaning if you have to re-cast Jacob for whatever reason, those cards are permanently exiled
While this doesn't take anything away in my opinion, I think it's something that more worth-based collectors may want to know
What is the "Gap" option for