japanese pokemon pikachu card 1998 Pokémon Promo Illustrator Holo CoroCoro Comics which is a Japanese Scarlet 1999 Snap Pikachu This card

Enchantment At the beginning of your upkeep, if an opponent controls three or more creatures, sacrifice Defense of the Heart, search your library for up to two creature cards, put those cards onto the battlefield, then shuffle

They should tell you how many packs or cards are included and list the specific Pokmon sets you might find

How would you go about building a deck around Reyhan, Last of the Abzan

The Beta set is especially notable for its inclusion of Magic: The Gatherings Power Nine - a series of nine cards featured in the card games early Alpha, Beta and Unlimited sets that are widely considered to be the most powerful Magic: The Gathering cards ever made

That is basically what a Set Booster is