Jeff tried TCGplayer and his experience getting alternate versions of cards shows it is one of the best options for buying cards directly from individual sellers
Well, putting the Brothers' War aside, Antiquities has a very good atmosphere
In mono red this is basically your only tool against countermagic
Two power for two mana just isnt it, and the Turn 3 ramp also isnt it
If you've never seen Nadu in action, its ability (revealing the top card of your library whenever one of your creatures becomes a target of a spell or ability, then putting it into play untapped if it's a land or putting it into your hand if it's not, twice each turn for each creature) creates not infinite but sort of functionally infinite loops with an equipment that equips for free, like Skullclamp or Lightning Greaves
Hazduhr the Abbot The Reserved List spans from the start of Magic, with Limited Edition Alpha all the way through Urzas Destiny