Because face-down creatures don't have a name, they can't have the same name as any other creature, even another face-down creature
Based on the Duel Monsters game from the original manga series, the game sees players using a combination of monsters, spells, and traps to defeat their opponent
A few other Assassins that could make their way into the deck would be Massacre Girl, Queen Marchesa, and Virtus the Veiled, as they either have value built right in, or when they hit they have a great ability
Pokmon TCG introduces the Trainer Gallery subset And this is where Sword & Shield Brilliant Stars does for 2022 what Sword & Shield Battle Styles did for 2021
Cards with Cycling Some spells have abilities that trigger when you cycle them, and you can build entire decks with cycling synergies
Im not sure what got into WotC, but Magic Origins is a fair bit stronger than Core Sets have been in a long time