It's somewhat notorious for being a lengthy fight that can take upwards of an hour or two to actually finish, though the game developers initially planned to have the fight take upwards of two weeks to complete
It's been mentioned in conjunction with Grist, the Hunger Tide, which, when exiled with the Cauldron, turns all of your creatures with +1/+1 counters into pseudo-Planeswalkers with Grist's loyalty abilities
You could make use of these later: activating Super Suits ability first, then returning for draw with Edna, but it can be too late to be effective
as time passes, more and more cards will start popping up, driving the prices down
Shanid, Sleepers Scourge Dont sleep on Shanid, Sleepers' Scourge