Open the Vaults
A Modern deck, by TIMESIEVE (4-0)
1st place at a tournament in Magic Online on 2015-05-25

Maindeck:

Artifacts
4 Chromatic Sphere
4 Chromatic Star
4 Ichor Wellspring
4 Krark-Clan Ironworks (Banned in Modern)
4 Mind Stone
4 Prophetic Prism

Instants
3 Thirst for Knowledge

Legendary Artifacts
4 Mox Opal (Banned in Modern)

Legendary Creatures
2 Emrakul, the Aeons Torn

Legendary Planeswalkers
2 Tezzeret the Seeker
1 Ugin, the Spirit Dragon

Sorceries
4 Open the Vaults

Artifact Lands
3 Darksteel Citadel

Basic Lands
1 Plains

Lands
1 Adarkar Wastes
1 City of Brass
1 Glimmervoid
1 Tendo Ice Bridge
4 Urza's Mine
4 Urza's Power Plant
4 Urza's Tower

Sideboard:
3 Defense Grid
2 Nihil Spellbomb
2 Torpor Orb
1 Wurmcoil Engine
1 Blood Moon
2 Echoing Truth
1 Repeal
1 Rest for the Weary
2 Pyroclasm