Hour of Devastation became legal to play in Standard last Friday and one of the deck brews which I was just able to complete today is the Blue Green Ramp deck into Ulamog, the Ceaseless Hunger and one way to cheat this titan into the battlefield is via Reason/Believe. Here below is my first version of the deck tech:

Lands
3 Island
1 Hostile Desert
3 Sheltered Thicket
4 Forest
4 Botanical Sanctum
2 Lumbering Falls
2 Evolving Wilds
4 AEther Hub

Creatures
4 Thought-Knot Seer
4 Ulamog, the Ceaseless Hunger
3 Rogue Refiner
3 Walking Ballista

Spells
3 Kozilek’s Return
4 Glimmer of Genius
4 Attune with AEther
3 Censor
1 Nissa’s Renewal
4 Reason/Believe
2 Harnessed Lightning
2 Strategic Planning