Sonia box set has been announced for Jul30, containing:

• 64 deck sleeves
• A rubber playmat
• A deck case
• A card box

(I love her little Yamper mug!)

Some of Japan’s 25th anniversary set has also been shown. The Gold Box will sell for about $176, and contains:

• Deck (60 cards, all holo) and promos
• Deck sleeves (64)
• Rubber playmat
• 12 dice
• Metal markers
• Leather deck case
• Leather playmat case
• Leather dice case (all of these are synthetic btw)
• 1 Pikachu coin
• Promo Card packs 25th ANNIVERSARY (5, with one card per pack)
• Releasing Oct22.

(Venusaur is one of the 25th anniversary promos that can also be obtained if you purchase four booster packs, while Mew is part of the overall collection.)