Transformers — Energy Critical Premium Overdrive Edition Booster Box

The Energy Critical Premium Overdrive Edition is the flagship Transformers TCG booster box, released as part of the 40th Anniversary Energon Universe celebration. It spans 239 cards across 14 rarity levels — including serialised LR☆, OR☆, and XR☆ variants — with vintage G1 art on premium card stock. 10 packs of 5 cards, plus a prize redemption card.

Specifications:

• 10 packs per box, 5 cards per pack
• 239 card types across 14 rarity levels
• 1 Prize Redemption Card per box
• Serialised variants: LR☆ (1–499), OR☆ (1–380), XR☆ (1–99)
• Overseas Exclusives: OR (8 types), OR☆ (8 types)

Rarity breakdown: HR (31), SR (36), SSR (20), UR (28), UR☆ (28), AR (31), LR (12), LR☆ (12), WR (6), OR (8), OR☆ (8), XR (9), XR☆ (9), Prize Redemption (1)