First introduced in Duskmourn: House of Horror , Japan Showcase are a collection of ten cards with a special frame and artwork by Japanese artists and illustrators
That said, it is sufficient for stalling and card advantage
Here a comparison picture of this 3D Thin stamp, a regular Thick stamp, and a Holo Thin stamp (its out of order because the Thin stamp is PSA-graded, so I cant really put it in the middle of the three cards): DSCN46471280273 137 KB Smudged Thin stamp: In some cases a stamp can be smudged
Growing Rites of Itlimoc is about as close as Magic has ever come to printing a functional reprint of a Reserved List card
And then there are two Sam cards, Samwise the Stouthearted (who can save you from the grave) and Sam, Loyal Attendant (who loves food)
Keep an eye out for pre-orders to go live for this set, and bring on March 28th!