The new confirmed cards are:
Dark Magician Girl
Jinzo
Blue-Eyes Ultimate Dragon
Colossal Fighter
Lightpulsar Dragon
Blackwing Armor Master

Source: https://shonenjump.viz.com/node/2034

Remember to keep checking our spoiler at https://www.ygorganization.com/tcg-premium-gold-spoiler/. You probably missed the addition of Beelze of the Diabolic Dragons!