It might be time to revisit some of the Ayara, First of Locthwain decks I pitched early in Kaldheim preview season since all these black creatures trigger the drain ability with Awaken the Blood Avatar as a big finisher
These decks leave behind many of the high-powered cards you find at higher-end games, opting for more unique and creative cards
As your deck can do enough self pain to potentially kill itself you significantly reduce the extent to which a pure life gain card is dead
Generally, how rare any specific Pokemon card is often has a lot of influence on its' market price
It is a low-cost, high-value card that can make finding cards very simple
You can't choose multiple creature types, such as "Vampire Knight." Card types such as artifact can't be chosen, nor can subtypes that aren't creature types, such as Jace, Vehicle, or Treasure