Celes, Rune Knight allows you to discard any number of cards in your hand, and in return allows you to draw that many plus an additional card
She also has decent stats, with 4 Strength, 7 Willpower and an excellent 3 Lore for Questing
In the case of Vanellope, she reduces the Strength of all opposing characters by 1, for one turn, every time you play another Princess character
That makes week 1 a genuinely good time to buy Amethyst pieces if you've done the research on what the archetype needs
Mangara is a sweet design, and it works well in a lot of decks
Then when you can deal that combat damage, all damage dealt to them for a round of turns is...doubled