Potatowheelchair says creating the deck took "a lot of time and patience and a lot of Photoshop, printing, and sliding the alters in between the actual cards and a perfect fit sleeve" but that the result was worth it
Yes, making proxies is legal, so long as you don't try to sell them
Its huge, flashy, and absolutely overwhelming if you build around it properly everything dragon decks want to be
She provides an enter the battlefield ability for any black creature under your control where you gain a life and each opponent loses a life
Black Cat, Cunning Thief Black Cat, Cunning Thief is more expensive than Gonti, Lord of Luxury and lost its deathtouch but looking at 9 cards and getting two is still quite good
This is weak against an opponent with a lot of creatures on the battlefield but allows black to kill some creatures it otherwise would have trouble killing (like creatures with protection from black)