Price bulk lots by per-card average using recent bulk sale data
5 Japanese-language cards per pack
At the end of the livestream, it is estimated that they collected 20,000+ cards, according to Pokemons Official Press website
This Bloomburrow Family Matters Commander Deck includes 1 deck of 100 Magic cards (3 Traditional Foil cards, 97 nonfoil cards), a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
I havent included those I havent collected, and I havent included any fully animated cards
Mothra, or Luminous Broodmoth, doesnt see much play outside of Dual Commander for competitive-ish formats, so most of this price increase is likely a result of Commander and potentially even collectors