I would prefer this take place continuously over several turns in order to avoid lesser cards like Mind Rot and cause an overflow Combat Control : This is the influencing of combat whether it is saying that only certain things can attack, hurting people for attacking or not attacking or no one can attack at all
Skullclamp and a mana to equip can turn each of them into two cards, which is spiffy
There have been plenty of Universes Beyond sets since this, and they have included some very powerful cards (and in some cases, some of the most powerful cards you can play)
Searching up an Avenger of Zendikar, Hornet Queen, or Craterhoof Behemoth could be sweet
Scar - Finally King has an Enchanted version in Fabled
Zack Fair Final Fantasy 7 s answer to Uncle Ben, Zack Fair is a new take on Selfless Savior and friends, playing into the counter theme of the set as well while providing the needed protection