I dont think it is, but I do feel there have been fewer fundamental architecture shifts
But remember that it is best to add cards that are similar in effects
They both show off a returning mechanic in the form of meld, which weve not seen since 2016s Eldritch Moon, when the only things melding together were completely unwilling and often twisted forms of otherwise holy beings or just beings
When the opponent destroys Wattfox, it prevents them from Special Summoning any monsters or activating any effects for the rest of that turn, somewhat similar to how Pikachu's Static ability and many of its Electric-type attacks can paralyze its opponents.
If you've never added more than seven sideboard cards, feel free to fill out the rest of your sideboardand maybe try some Best-of-Three while you're at it
Theme Deck Variants There are a lot of different variations to the theme decks that help determine which variants of cards might be found inside