There are, of course, weaknesses to a mill strategy some players include cards that prevent themselves from losing to an empty library, like Ulamog, the Infinite Gyre
[2] However, there are Special Energy cards, like Double Colorless Energy, that specifically give Colorless-type Pokmon energy
$2.99 Midgar, City of Mako Final Fantasy $0.35 Sharlayan, Nation of Scholars Final Fantasy $44.99 Mana Confluence Journey into Nyx $4.49 Lindblum, Industrial Regency Final Fantasy $0.35 Gongaga, Reactor Town Final Fantasy $0.35 Gohn, Town of Ruin Final Fantasy $15.99 City of Brass Teenage Mutant Ninja Turtles Eternal-Legal $0.35 The Gold Saucer Final Fantasy $0.35 Crossroads Village Final Fantasy $0.35 Baron, Airship Kingdom Final Fantasy $0.69 Clive's Hideaway Final Fantasy $1.79 Jidoor, Aristocratic Capital Final Fantasy 0 results found
or is it the other way around
Unlike most Pokemon that have a handful of notable cards spread across three decades, Pikachu has been printed in virtually every set, every promotional campaign, and every special collaboration the Pokemon Company has ever produced
Basically, promo cards are special and limited, making them more desirable for collectors