Various cards in the deck get better when you have a variety of card types in your graveyard, and there are various cards that help you fill your graveyard with cards in order to achieve the required four card types
Preferably, this means that there are a total of 24 different sets to choose from
So, folks that want to play one in their Vintage deck need to have four
Players choose from three random half-decks based on a cohesive theme, then get three more choices for the second half of their deck

Pokmon Pikachu Illustrator Promo Graded PSA 9 Mint Rarest Card Highest Grade Selling price: $90,000 Date sold: May 8, 2014 Torchic Holo Card And Toy Selling price: $10,000 Date sold: April 2, 2014 Pokmon Dark Dragonite 1st Edition Error Card 5/82 Near Mint/Mint Condition Selling price: $9,999 Date sold: June 5, 2013 Faded Marowak Error Selling price: $8,000 Date sold: October 3, 2013 Pokmon Tropical Mega Battle Prize Card The Original One In PSA 10 Condition Selling price: $8,000 Date sold: November 12, 2012 PSA 10 Misprint Shadowless First 1st Edition Dragonair Rare Pokmon Card Mint Selling price: $4,000 Date sold: April 27, 2014 1st Edition Shadowless Charizard 4/102 Pokmon Card PSA 10 Mint Holy Grail Selling price: $3,650.99 Date sold: April 13, 2014 1999 Pokmon Game 1st Edition #4 Charizard Holo PSA 10 Gem Mint Selling price: $3,350 Date sold: September 28, 2014 1999 Pokmon Game 1st Edition #4 Charizard Holo PSA 10 Gem Mint Selling price: $3,050 Date sold: July 10, 2014 Pokmon Card Gold Star PSA 10 Gem Mint Espeon (Pop 5) Rare Selling price: $3,000 Date sold: June 22, 2014

Lastly, Electroduplicate is a card that I can't quite figure out