Sometimes it can be difficult to sideboard with a deck, or even build one for it
(Exile cards with total mana value 6 or greater from your graveyard.) Each opponent sacrifices a creature of their choice
If for some reason you can't win the game (because your opponent has cast Angel's Grace this turn, for example), you won't lose for having tried to draw a card from a library with no cards in it
In Flores' deck, he would swap Wild Nacatls and cheaper removal spells for four Great Sable Stag, four Goblin Ruinblaster, four Celestial Purge, and one Ajani Vengeant
This is a great value card that works well in black or Dimir steal decks, but I think is better as an on-curve four-drop than as your actual commander
Horrors have been getting some love recently, with Wizards printing some very powerful horror creatures and legendary horrors