pokemon booster pack guardians rising 1/2*Sun & Moon—Guardians Box (18 Packs) – GilbertGames Each booster pack contains 10 cards and 1 basic Energy Pokémon Sun and Moon 1x

They dont just sit in your deck looking pretty

#15 WotC themselves draw a distinction between 'design' and 'development', where design is making cards and development is adapting those cards to the limited / standard environment

Model Number: GOPJ7391

In addition, Planeswalker spells you cast will cost one less generic mana

Typically when a card is reprinted in another set, it either undergoes a rarity upshift (as is the case with Snapcaster Mage, which went from a rare in Innistrad to mythic rare in Modern Masters 2017 ) or a rarity downshift (as is the case with Mortician Beetle, which went from being a rare in Rise of the Eldrazi to a common in Modern Masters 2017 )