If the target opponent has multiple creatures tied for the greatest power, that player chooses which one to sacrifice
On top of that, you included an Atraxa as an extra card and I actually already run an Atraxa deck
At this point, we can finish things up with some basic lands and a Wayfarer's Bauble and head to the card shop
They used to be the most sought-after products from a given set and the most sold, not to mention that they were also the cheapest
It doesnt stop people curving out and attacking the controller of the Hushbringer, prompting them to decide if they want to throw it under the bus with a chump block
Of the one-drops you have available, I think Monastery Swiftspear, Soul-Scar Mage and Kumano Faces Kakkazan are the best options by a large margin