Playing around with the "GW Turboland" idea from PT Rivals of Ixalan. Essentially, it wants to use Ramunap Excavator with Ghost Quarters to destroy the opponent's lands. Azusa speeds up the process. Thinking about the process, I have to ask, "Why white?" I think Cyclonic Rift is reason to try blue, as the opponent wouldn't be able to cast anything without any land. To get to seven mana, I thought sticking to two color might be best in order to get the best use out of Field of Ruin. Since we're planning to play a lot of lands, Courser of Kruphix and Tireless Tracker might as well come in.
Since that's a lot of three drops, we need a one mana dork. I chose Sakura-Tribe Scout, because, while it's not as reliable as Noble Hierarch or Birds of Paradise, it enables more Landfall and can threaten infinite Landfall with Retreat to Coralhelm + Oboro/Bounceland or Meloku (with Meloku providing inifite tokens in the process). Meloku is also a decent staller immune to Bolt and Push on his own. Lotus Cobra allows explosive starts and lets us to crack the Tireless Tracker's clue tokens if the infinite landfall thing goes off (Just don't plan on it).
Since this is just throwing ideas out there, there's a few choices I don't think are going to stick. For example, to fill up the interaction part of the deck, I've got Simic Charm, Nature's Claim and Trygon Predator. The main ways to interrupt the deck's plans graveyard removal like Relic of Progenitus or Rest in Peace, Pithing Needle effects and Blood Moon style stuff. While the deck can theoretically get around this stuff, we also want the opponent to waste time protecting his or her countermeasures as opposed to going after our main guys.
Lifegift, while actually able to gain life (with oddball things like gaining life off of a Scapeshift before the opponent's triggers resolve), is mostly there to always have a time to respond to a land entering the battlefield by the triggered effect that goes on the stack. In this build there isn't too much to take advantage of it, so I don't know if it's worth it.
Diminish in the sideboard is just trying to find a decent green/blue creature removal spell. Technically it can kill a Death's Shadow, so I was thinking about trying it out, but I fear it to be too narrow.
