In the second release of full decks, Commander 2013 , True-Name Nemesis was released
As another poster summed it up, Man that pack has been searched to death. Undeterred, Michael (the original poster spoke in detail about his ordeal with PC Gamer recently) set the booster pack aside to consider his options
Tapping all your mana dorks to cast this spell, then giving them +3/+3 and untapping them so you can attack ends games
There are also a bunch of dual-type enchantment creatures that get a hand from The Master of Keys, like Fear of Imposters, Gravebreaker Lamia, Doomwake Giant, and Overlord of Balemurk
Maybe thats why they left out some of the better common rabbits in the GW deck
When it enters the battlefield, each creature gets -X/-X until the end of the turn