Magic: the Gathering Color Combinations

The named color combinations in magic. Clue: They're all guilds or shards.
See also http://www.jetpunk.com/user-quizzes/39403/magic-the-gathering-guilds by dsdevnull.
There's not a lot of time, so you better start already!
Quiz by xway
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Last updated: August 1, 2013
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First submittedAugust 1, 2013
Times taken800
Average score80.0%
Rating4.86
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Hint
Answer
White/Blue (WU)
Azorius
Blue/Black (UB)
Dimir
Black/Red (BR)
Rakdos
Red/Green (RG)
Gruul
Green/White (GW)
Selesnya
White/Black (WB)
Orzhov
Blue/Red (UR)
Izzet
Black/Green (BG)
Golgari
Hint
Answer
Red/White (RW)
Boros
Green/Blue (GU)
Simic
White/Blue/Black (WUB)
Esper
Blue/Black/Red (UBR)
Grixis
Black/Red/Green (BRG)
Jund
Red/Green/White (RGW)
Naya
Green/White/Blue (GWU)
Bant
+5
Level 82
Jul 7, 2015
You can add the Tarkir clans now if you want to complete the tri color combos.
+2
Level 66
Nov 21, 2015
I agree
+2
Level 82
Dec 24, 2016
Temur - GRU

Mardu - RBW

Abzan - BWG

Sultai - GUB

Jeskai - RWU

+2
Level 70
Apr 25, 2021
Bant should be first of the shards 1) alphabetically 2) centered on white which is conventionally the first colour