Integrity helps the deck press an early advantage and stay ahead on the table
Problem is that even if youre at 40+ life, the moment you cast Felidar Sovereign, other players will try their best to attack you or kill your win condition, making this a little more balanced
Like last weeks Mavren Fein deck, Vam-Pirates relies on some sneaky ships
Youll also want to give him Trample, and possibly First Strike/Double Strike, to keep him safe, as hes got low toughness
While unbanning something like Stoneforge Mystic or Umezawa's Jitte would create a bit more equity and provide another solid reprint for a future Masters set, none of the other cards on the Modern banned list would be nearly as hyped or as expensive as Jace, the Mind Sculptor)
This is the first black creature with the subtype Crab, and while weve had some black oozes printed before, I dont think theres enough cards out just yet to make a crab ooze horror tribal list so I dont think people will run this card for its power is equal to effect too often