This article is about a Japanese Pokémon Trading Card Game card which has not yet been officially released in English and, hence, may not be released outside of Japan. As such, this article may contain translated Japanese terms instead of English terms.
In Japan, this card was one of five that could be obtained through the Communication Evolution campaign, which began in April 1999. Participants had to send an Omanyte card along with Bill's PC in the mail to MediaFactory. MediaFactory would then send back the 'evolved' form.
Although the vending machine cards were all printed on glossy card stock, the Masaki promos were all printed on regular card stock.
Despite the Masaki Evolution campaign cards being based on the concept that certain Pokémon have to be traded to evolve, Omastar is included even though its pre-evolved form, Omanyte, does not require to be traded in order to evolve in the games.