The following are the contents acquired from opening certain booster packs gained by defeating opponents.
Ittle Dew Adventure[]
obtained by battling Loafer at the Mega Mall (or at School early in the game)
Ittle Dew Baddie Set[]
obtained by battling Stoneface at The Cave
Jam Packed[]
obtained by battling Hovering Sheet at the Haunted House
Healthy Weapon Set[]
obtained by battling the Clean-up Crew at the Hunk Bump Bar
Fate of the Earth Set[]
obtained by battling Tall Skater at the Skate Park
Martian Set[]
obtained by battling Bumptious Miner at the Bear Mine
High Explosive Set[]
obtained by battling The Bruiser in the Dark Alley
Bizarre Set[]
obtained by battling Business Casual Man at Turnip Corp.
Princess Remedy Set[]
obtained by battling Multifarious Mammal on Harbor Street or Rock Enthusiast at The Big Chest.
Mystery Set[]
The Mystery Set features random cards that can be obtained through Alchemy. Alchemy merges 2 cards together producing a unique card that cannot be obtained in other boosters. There is a limited supply of Mystery Booster packs in the game's story, whatever cards are missed must be obtained through Alchemy.