Youll also want to give him Trample, and possibly First Strike/Double Strike, to keep him safe, as hes got low toughness
She has an attack trigger to spend two Golgari colored mana and then make a 1/1 Snake with deathtouch
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)
If you keep returning these creatures to hand, youll be able to rebuild immediately after a board wipe and keep the pressure on your opponents
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
If either target of the activated ability is illegal as the ability tries to resolve, it will have no effect