The quirky part of this creature is the combat damage trigger, which not only applies to itself, but also the creature it copied
She's strong in or leading a Heroic brew, but with just the one color, she's better in the 99 to my mind
But which deck is right for you
At least the higher prices tend to mean we get better reprints and a more balanced strategy
Much like Scar, Mastermind - an underrated Amethyst card from The First Chapter, Maid Marian has an on-play effect that can take your opponent by surprise, giving you a chance to trade with their board for free, and establish a well-statted character that can start questing the very next turn
Would I be more interested in repeatable draw, like Jor Kadeen, First Goldwarden, in the CZ