Ive only played for an hour on my lunch break, but so far, it has been a ton of fun, and the app has a lot more polish than the existing mobile Pokmon Trading Card Game
Doflamingo's ramp, Whitebeard's Life trade, Luffy's tempo: all repeatable engines, not one-time effects
So I think that makes my case, and Ill summarize: The art needs to be different enough, or the foiling, or the characters, something
Best starter decks in Yu-Gi-Oh
The most important and popular formats are Commander (100 card decks, mostly casual multiplayer), Standard (60 card decks, cards more than three years old are illegal), Modern (60 card decks, cards printed before 2003 are illegal) and Draft (40 card decks, built by opening brand-new booster packs and choosing cards from what you find)