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Mono-White Devotion
A Standard deck, by Sam Black
4th place at a tournament in Seattle, Washington, United States on 2015-08-27
As reported at http://magic.wizards.com/en/events/coverage/2015wc

Maindeck:
21 Plains

Artifact Creatures
3 Hangarback Walker (Not currently legal in Standard)

Creatures
4 Archangel of Tithes (Not currently legal in Standard)
4 Knight of the White Orchid (Not currently legal in Standard)
4 Soldier of the Pantheon (Not currently legal in Standard)
4 Wingmate Roc (Not currently legal in Standard)

Enchantments
3 Banishing Light (Not currently legal in Standard)
4 Mastery of the Unseen (Not currently legal in Standard)

Instants
3 Valorous Stance (Not currently legal in Standard)

Legendary Creatures
1 Anafenza, Kin-Tree Spirit (Not currently legal in Standard)
3 Brimaz, King of Oreskos (Not currently legal in Standard)
2 Kytheon, Hero of Akros (Not currently legal in Standard)

Lands
1 Foundry of the Consuls (Not currently legal in Standard)

Legendary Lands
3 Nykthos, Shrine to Nyx (Not currently legal in Standard)

Sideboard:
1 High Sentinels of Arashin (Not currently legal in Standard)
1 Banishing Light (Not currently legal in Standard)
3 Celestial Flare (Not currently legal in Standard)
2 Surge of Righteousness (Not currently legal in Standard)
1 Valorous Stance (Not currently legal in Standard)
2 Elspeth, Sun's Champion (Not currently legal in Standard)
2 Glare of Heresy (Not currently legal in Standard)
1 Revoke Existence (Not currently legal in Standard)
2 Tragic Arrogance (Not currently legal in Standard)