Diamond level mystery boxes will contain an assortment of the following items.
A minimum of 2 Booster Box
A minimum of 1 Booster Pack from the WOTC Era or 2 Booster Packs from the EX to Platinum Series
A minimum of 2 Elite Trainer Boxes
A minimum of 2 Collection Boxes
Additional items such as Blister Packs, Theme Decks, Tins, Pin Boxes