, , Pay life equal to the number of colors in your commanders' color identity: Draw a card
You can win the game as per the normal ways you win Magic your opponents go to zero life, or they get decked, or some other combo kill but you can also win the game by figuring out which cards are in the Case File envelope
Dread - The embodiment of both a gigantic threat and a nasty deterrent
His "Darkness" ability causing you to lose life when he deals damage basically represents his guilt over attacking innocent people on Baron's orders
Zoraline, Cosmos CallerZoraline, Cosmos Caller is a Bat commander that already loves pulling cards back from the graveyard, so adding the Wolfbat to those decks would give you more redundancy for that recursion effect
At converted mana costs two and three, Uncage can grab a combination of Proliferate creatures, Energy makers, Den Protector + Eternal Witness, or Fierce Empath, which can go get us one of our game-enders