Whenever I come up against Edgar Markov, he typically doesn't even hit the battlefield until well after turn six, because players tend to build up dangerous board states before bringing him out
By doing this, you lose all progress you've made in-game, including cards, emblems, Poke Gold, and other achievements
This is the Cinderella slipper for Tatyova
Instead of some of the pricer options in the deck, I would purpose Wurmcoil Engine is a very good option with being a 6/6 for 6 with useful abilities, who creates tokens when it dies
Or even more gutting, simply not being able to take than Ugin
Lifegain is a traditionally white mechanic, but seeing it in mono-black with such a unique perspective is as interesting as it is exciting to play