Configuration: 12 boxes per case.

Like the 2020 Tin, each 2021 Tin of Ancient Battles will contain 3 extra-large Mega-Packs, each with 1 Prismatic Secret Rare, 2 Ultra Rares, 2 Super Rares, 1 Rare, and 12 Commons.

Each Tin’s total haul will be:
- 3 Prismatic Secret Rares
- 6 Ultra Rares
- 6 Super Rares
- 3 Rares
- 36 Commons

The 2021 Tin Mega-Pack mega-set is made up of popular cards released in 2020, including cards from Ignition Assault, Eternity Code, Rise of the Duelist, Phantom Rage, and more!