The rule went away in September 2014 because the two separate ban lists were confusing for new players, and the cards on this list were just banned from Commander in general as a result
Savagery to survive, courage to triumph
In order to win, you need to ensure you can keep your combo pieces around
Unstable TypeInstant Collector Number40 Rarityuncommon ArtistChris Seaman Add or subtract 1 or one from a number or number word on target spell or permanent until end of turn
One of these will be shockingly good in Standard, to my chagrin, but Ive got serious doubts about some seemingly popular cards like: Dragonhawk, Fate's Tempest Eluge, the Shoreless Sea Glarb, Calamity's Augur Helga, Skittish Seer Hugs, Grisly Guardian Mabel, Heir to Cragflame Muerra, Trash Tactician Vren, the Relentless Wick, the Whorled Mind So yeah, most of the story arc cast is underwhelming