Red is the best, and this splashable four-cost one will have everyone may discard and draw five, so no one has too, and then foes will eat five damage too
Factor in the +1/+1 counter synergies present in the set and you've got an absolute haymaker of an uncommon here
If its a multiplayer gamer, you can use that additional combat phase to attack a different player instead
If you made a new Ruby/Steel deck, you couldnt include the featured Belle, Beast, or Jafar cards as they would all mean youd have three ink colors in the new deck
Perhaps one day black will have enough premium one drops that it will rely on free removal effects even more
Creature - Warrior Mutant The Master, Transcendent When The Master enters, target player gets two rad counters