It has a ceiling when it comes to stealing and keeping the exchanged creature (how much energy you have), but it can just outright remove a creature for two mana if you choose to/cant pay the energy requirement
In addition to reprints from throughout Magic history, Mystery Booster 2 also introduced the first physical prints of several cards, including Alchemy's Rusko, Clockmaker and the Sega Dreamcast-exclusive Velukan Dragon
This is the general mana curve recommended for most Sealed decks: Mana Value 1: 2 Cards Mana Value 2: 7 Cards Mana Value 3: 6 Cards Mana Value 4: 4 Cards Mana Value 5: 3 Cards Mana Value 6+: 1 Card You can adjust this slightly, especially if you want to adjust it for a more aggressive deck
Defeating a battle can give you a Promo Pack from its corresponding event, and there are five cards in each pack, just like the original events these packs are based on
These include five Pokmon (including one Pokmon ex), one Tool, one Supporter, and one Stadium