Summoners Grimoire - Jump Scare
Palladia-Mors makes the list because shes actually the mother of not one, but two other famous dragons: Rith, the Awakener and Darigaaz, the Igniter
Each has its strengths and weaknesses
Compared to most other attempts at free designs in Magic history, the X-cost caveat is an absolute masterstroke, adding an important wrinkle for deck builders which still leads to usefulness both in fair decks and less fair ones
These are filled to the brim with effect-granting songs, as well as an army of characters that can quickly Shift onto the board and sing them for free (Cinderella's a typical culprit)
Ive written a guide on the best decks in Modern for beginners, and Ive covered whats banned in the format and why