Her first two abilities synergize perfectly well, and playing her later for six or more loyalty and getting all of your stuff for free is pretty keen and cool, as well as swing with two 5/5 creatures out of nowhere
Devil's Playground: large scale pinging at a cost only fitting battlecruiser Standard
Not super exciting, but probably solid in any deck
Plus theres lots of good tempo/control cards in merfolk builds that can help you disrupt the game until you can start to overwhelm
STEEL : Steel ink is all about strength, and consists of glimmers that are large, imposing, armored, or just plain powerful
Songs: A subtype of action cards, but can be played by Exerting one of your characters (turning the character sideways) to pay the cost rather than spending your Inkwell resources