It has small electric sacs on both cheeks. If threatened, it looses electric charges from the sacs.
ほっぺたの りょうがわに ちいさい でんきぶくろを もつ。 ピンチのときに ほうでんする。
When this card first released in the Japanese Expansion Pack, Pikachu was drawn with yellow cheeks. However, when this was sent over to Wizards of the Coast, they regarded the yellow cheeks as a mistake, and "corrected" it. However, later, the yellow cheeks were restored, which explains why there are two forms are the card.
There are four promotional versions of the card. The first and third were given out at E3, a major gaming convention, and the September 1999 issue of Nintendo Power, respectively. They both had an E3 stamp on them
The second had a PokéTour 1999 stamp; however, this promotional card is only available was Australia.
The fourth was a Jumbo version of the card, given out in the Febuary 2000 edition of Top Deck Magazine, a Wizards of the Coast-exclusive magazine.
The card was reprinted for POP Series 2 with new artwork internationally, but was released in Japan as an Meiji Chocolate promotional card. Its final reincarnation was released in Supreme Victors as a secretretro reprint with new, redrawn artwork (with red cheeks) by Mitsuhiro Arita, the card's original illustrator.