The 20th Anniversary reprint of Porygon was revealed by the official Pokemon Twitter today. Compare its translation to the original English Base Set card to see the difference! The 20th Anniversary CP6 set will be released in Japan on September 16th.
[C] Conversion 3
Choose [G], [R], [W], [L], [P], [F], [D], [M], [Y], or [N] type. The Defending Pokemon’s Weakness is that type until the end of your next turn. (The amount of Weakness does not change.)
Weakness: Fighting (x2)