If you want to endorse WotC in embracing this more positive play pattern, but you find that theres lands in your playgroup that you simply MUST remove, here are some simply awesome cards: This card just does all the things
There may be others out there, but these are the big ones: classified ads (of which Craiglist is likely the most popular), Ebay, and your Magic social circle (this includes Facebook groups, friends, local gaming stores, and players in your local area)
Id probably want at least six or seven, but once I have that, Clive's Hideaway should be worth trying
Similar to the GU archetype, Acolyte of Bahamut provides your commander with the ability to reduce dragon creature costs by two
Both sets share an almost identical card pool, and the languages look kind of similar