Do you like Garth leading the Rat charge, or would you pick a different five-color commander
There is a good variety of cards in each deck that play well and off of each other as the decks are built by the game's creators
Art cards make decent proxies, placeholders, or tokens (especially for copy abilities)
B-Tier: Powerful Enough to See Play in the Right Deck Cards: Dark Salvation, Diregraf Colossus, Goblin Engineer, Harmonic Prodigy, Lonis, Cryptozoologist, Pashalik Mons, Return to the Ranks, Serra the Benevolent, Chatterfang, Squirrel General, Verdant Command, and Goblin Dark-Dwellers Dark Salvation and Diregraf Colossus join a fairly impressive and growing list of Zombies in the Historic format headlined by Cryptbreaker, Death Baron, and Lord of the Accursed
GW Auras This is based around building a single powerful threat and trying to protect it - that way it can deal one or two big attacks to win the game