Over the past year, Modern has changed quite a bit, both because of the Gitaxian Probe banning and because of the printing of Fatal Push, and while the format is still fast, consistently dying on Turn 2 or 3 is less common than it was a year ago
There is something called the Yata Lock deck, which is capable of clearing an opponents field and hand before you summon Yata-Garasu
At least five of the cards in their deck and sideboard had to come from each of the legal sets, and those legal sets included Homelands
The deck also have enough early roadblocks and interaction against creature decks that Liliana, Waker of the Dead will serve as a reusable removal with Yorion, Sky Nomad, albet a weak one as we dont have much ways to fill our graveyard fast
The purpose of your ramp is to get your engine going faster, speeding up the deck's game plan