This one is right down the middle, not the worst, not the best, but it gets huge bonus points for its theme and for actually delivering some playable cards
One card you should especially play Queen of Hearts, Wonderland Empress with is Hades, King of Olympus because of its Sinister Plot ability - which gives Hades, King of Olympus the chance to quest for an extra lore for each villain in play - thereby synergising perfectly with Queen of Hearts, Wonderland Empress
Then, so long as you control four or more Humans, every Human you control gets +2/+2
Cast a Sliver, cascade into another Sliver, cascade into another Sliver
There's this thing somebody told me once: "Everything in life is training for something else