The Necrons are basically an army of robotic skeleton warriors, so putting them in black and making them artifact creatures makes a lot of sense
I wouldn't recommend running Treacherous Blessing in just any deck for this reason
In exchange, Sothera exiles opposing creatures rather than forcing sacrifices
Read More: The 10 Best Equipment Commanders In MTG 5 Anowon, the Ruin Thief Were not sure what happened to Anowon to turn them from a Sage into a Thief, but were pretty happy with the result
But in Commander, youre protected against all of your opponents turns in one go
We can play cards like Pond Prophet, Aether Channeler, and Solemn Simulacrum early in the game for value and then eventually stick Y'shtola Rhul to blink them (twice!) on our end step to reuse their enters abilities