When the top one resolves, Experiment One gets +1/+1 counter and is a 2/2 creature
Main culprits so far include "Fusion Destiny", "Water Enchantress of the Temple", "Rite of Aramesir", "Spright Starter", "Keldo the Sacred Protector", "Kelbek the Ancient Vanguard", and "Agido the Ancient Sentinel", all meta-defining cards that were Semi-Limited to 2 copies in Master Duel prior to their release to cut back their consistency while still allowing them to be mostly playable (in order to actually sell the new cards)
Also in the Battle Academy box are damage tokens, deck boxes to store the cards in and a coin, to use for certain in-game effects and to determine the starting player
COLLECTIBLE CARD ASSORTMENT: Each individually wrapped Booster Pack contains a total of 12 cards, including 6 Common cards, 3 Uncommon cards, 2 cards of Rare, Super Rare, or Legendary rarity, and 1 randomly selected foil card
Thankfully, this new endeavor is a novel innovation that pays off, thanks in part to a relatively low price point and perfect clarity as to what comes inside the box
These are the legends, like the Power 9, which includes the undisputed king Black Lotus, and the 10 original dual lands like Underground Sea and Volcanic Island