Here are the Theros Spoilers for September 15th, 2013 Part 4. Today’s part 4 reveal has all the remaining green colored Theros spoilers in it. The key card to look at in this spoiler set would be Nemesis of Mortals. It gives you the ability to cast this 5/5 creature for 2 mana, and then turn it into a 10/10 for 2 green mana again. It is dependent on the amount of creature cards in your graveyard. Hello zombie Golgari colored decks.