The Secret Lairs make up for the Commander decks' limited number of artifact cards, allowing players to collect various S.P.E.C.I.A.L
It might not, of course, but as it stands, were keeping a very close eye on this card
Urborg is going to be super-important in the future, although its first card art here does look like a generic castle-o'-doom from a Saturday morning cartoon
Its a handy way to get around counterspells and sneak those fatties into play
It's unlikely they would change the equation to any great extent
All in all, while Nature of the Beast is a pretty strong deck, with a tonne of variation and abilities to combo your cards for insane amounts of damage, it is easily the weakest of the five, and practically requires you to be playing a multiplayer game for it to have much use at all