It wants you to cast spells with mana value 4 or greater, and as a mana dork, it helps you to get there on turn 3
The mere existence of a cycle of lands (or an incomplete cycle of lands) can make or break certain decks and color combinations
That said, if you are still interested in the combo, the MTG Salvation brewers have been hard at work on the wonderfully-named TreesKaidekaphobia since late June
That's the only potential list I can see it fitting into
Shadowheart, Dark Justiciar Shadowheart, Dark Justiciar is up next, and is a simple human elf cleric who lets you pay and a creature to draw cards equal to that creatures power
Regarding sideboard choices, I think you need some number of Null Rod and Chain of Vapor in there