YGO 2014 Mega Tins – Rules of Play says:

Every tin contains three 16-card Mega-Packs

The “Bujin” Tin contains:

• 1 Platinum Secret Rare “Bujintei Susanowo”.
• 2 Super Rare promo cards.
• The “Fire Fist” Tin contains:
• 1 Platinum Secret Rare “Brotherhood of the Fire Fist – Tiger King”
• 2 Super Rare promo cards.

YGO 2014 Mega Tins Review:

Don’t just take our word for it! We dont have a full review yet, but check out this overview of YGO 2014 Mega Tins: