
- Includes cards from Ignition Assault, Ignition Assault Special Edition, Eternity Code, Rise of the Duelist, Phantom Rage, Secret Slayers, Genesis Impact, Structure Deck: Shaddoll Showdown, and Structure Deck: Sacred Beasts of Chaos, as well as "Crossout Designator" and 3 new World Premiere cards.
Each 2021 Tin of Ancient Battles contains three 18-card Mega Packs:
- 1 Prismatic Secret Rare
- 2 Ultra Rares
- 2 Super Rares
- 1 Rare
- 12 Commons
The set contains 258 cards:
- 30 Prismatic Secret Rares
- 48 Ultra Rares
- 37 Super Rares
- 21 Rares
- 122 Commons