While the Standard Grid will do the job just fine, using the Expert Grid is a great idea for those who want to experiment a bit with their characters and builds
Part of the problem is of WOTCs own making, of course
Theres a frame for the bottom of each card, and youll find the cards rarity symbol right in the center (unless youre dealing with an Iconic card, in which case theres no framejust a symbol)
Here is just one thing from that document: a creature type grid depicting potential options for monsters we could make as nonlegendary creatures without flying
With an Esper deck, you shouldnt be lacking in a library full of instants and sorceries to fuel your hate
That said, even in Narci cant beat out the best, shes bound to see play in a lot more decks