Older key prize cards from major events have been added to the Ticket Exchange for Rank Battles.

Neo-Parshath, the Sky Paladin (Super Rare)
Red-Eyes Insight (Super Rare)
Kidmodo Dragon (Super Rare)

Rain of Mercy (Super Rare)
Lava Dragon (Rare)
Dangerous Machine Type-6 (Rare)
Hoshiningen (Common)