Eridium Warriors

+1: Look at the top 4 cards of your library. You may reveal a card from among them and add it to your hand. Put the rest on top of your library.
-2: Search your library for a Siren or Vault-Hunter card and add it to your hand.
-8: Remove all Non-Siren, Non-Vault hunter creatures from the game and return all cards in your exile and graveyard to your hand.