This Shiny Zacian was given out to players, to commemorate the then upcoming release of Brilliant Diamond & Shining Pearl. Breakdown of dates by country/region can be found here. * While on the wonder card, the data is flagged to be usable on both Sword and Shield, the server only allows non-Korean serial codes to be redeemed on Shield.    Wonder Card ID #1639: Shiny Zacian Gift  Species