These have until recently been an item collected and enjoyed by Japanese children, but soon started being hoarded by adults looking to profit from their high demand and scarcity
It has no green on it which feels a little out of place, but it also works
Additionally, this seems like it can get out of control, with new creatures like ED-E, Lonesome Eyebot and Craig Boone, Novac Guard giving you massive benefits from the number of quest counters on them
Another fairly similar idea is to take the same planeswalker and Spell Queller core and combine it with Urza instead of Mystic Sanctuary: Creatures (15) Planeswalkers (5) Lands (19) Spells (21) Here its very important that the Gilded Goose is Gilded Goose instead of Birds of Paradise or Noble Hierarch because the Food is being used to turn on Mox Opal and decrease the cost of Emry, Lurker of the Loch
You can also check them all out in our card database, and starting build decks using our deck builder