Innistrad: Crimson Vow (2021) gives us another version of the hero of this story, Chandra, which, again, sees play in low-curve red decks, which need a little reach
Invert reads as the kind of card that will play as a piece in some sort of gotcha! combo with creatures at a low printed power and a high printed toughness
I have Laser Screwdriver as better in a vacuum, but I think in the right build, Sonic Screwdriver might edge ahead
The legend rule makes it so you cant have more than one copy of the same legendary on the board at the same time
The winner of the coin flip gets to choose who goes first
There is a ton about how to navigate Arena, the events and formats that are specific to the client and I'm confident you'll like what you learn