If youre looking to reduce a decks power level, you could reduce it by replacing these staples with more suitable options
When Elenda dies, create X 1/1 white Vampire creature tokens with lifelink, where X is Elenda's power
Ward and Sacrifice The relationship between ward and sacrifice effects differs on a case-by-case basis, so this will take a little bit of explaining
The checklist separates the 100 main-set cards from 27 secret or high-rarity cards, including rarity groups such as SR and HR and UR
So as much as it bothers me not to have a comprehensive system for handling this, I think I have to just throw up my hands and admit that Wizards has not given us enough to work with here
In Dominaria Remastered, over 27 sets have been brought into one giant 261-card set that brings some of the most iconic from each