Lots of reasons
If more than one chapter ability has the same effect, the Roman numeral symbols are just grouped together with the appropriate line of text
- Danger!, Kaiju Enchanted Threads of Shade - Shaddoll, and Zefra Essence of Flora and Ocean - Trickstar, and Marincess Exquisite Jet-Black Rose - Rose Fabled Gods - Fabled Fiendish Encounter - Magical Musket, and Burning Abyss Fiendish Playthings - Fluffal Fires of This World and The Next - Mayakashi, and Shiranui Forest Friends - Melffy and Mystical Beast of the Forest Futuristic Creatures - T.G
Amonkhet has also introduced new quality one-drops and support for aggro decks, which will also make Magma Spray a heavily played removal spell
You'll need to buy a booster box of MTG cards to get this one
Let's get the conspiracy theorizing out of the way first: we don't know for sure if spinning the wheel changes the actual cards you get, or whether it's the same random set of five whichever pack you tap