mtg zacama primal calamity commander deck Zacama, ZHUOHAIZHENHUA - Zacama, Primal Calamity

The strategy gets tied together with something like a Mycosynth Lattice or Liquimetal Torque to turn Rebbec into an artifact so it protects itself

If that spell would be put into a graveyard, exile it instead

(Don't lay your noncreatures out at this point unless they're cards you are planning to play as soon as you have that much manafor example, you will generally cast a Pouncing Lynx on turn two, whereas Divine Arrow isn't usually a turn-two play.) A good "mana curve" of creatures is crucial to a successful Sealed deck

You could build a deck that has half and half, but what if you dont draw enough villains

There are so many great black cards that take some life, which you can offset with removal that provides lifegain