If you attend the special Duel Links events at Jump Festa 2019, you can get Special Packs with certain cards.
Ultra Rare
Blue-Eyes White Dragon
Dark Magician
Red-Eyes B. Dragon
Super Rare
Sonic Chick (New)
Trance Archfiend
Enemy Controller
Metalmorph
Polymerization
Rare
Flame Swordsman (Alternative Art)
Tour Bus from the Underworld
Gaia the Fierce Knight
Getsu Fhma
Ancient Rules
Jar of Avarice
Hallowed Life Barrier
