Those reactive cards need to have proactive elements, so that theres a real decision you can make instead of feeling like youre being forced to wait (which would be very un-red)
I like the design space that Necron Dynasties explores in mono-black, so divorcing the precons from the lore of their source material is something that I'd count as a win
You can reap even more rewards from these difficult to block creatures with other cards that care about dealing combat damage
A lack of impressive combos or general abilities, plus a puny 3/3 for power and toughness, make her better suited to casual games
That said, Deaths Shadow is the natural home for being at five or fewer life, reducing the cost to only two mana where The End outperforms Terminate by a lot
Let this get a little cheaper, then move in hard before rotation