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Grand Arbiter Augustin IV

First printed in Dissension (2006)

All 10 prints

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  • Secret Lair Drop (SLD) #1483, 2024
  • Secret Lair Drop (SLD) #1483★, 2024
  • Magic Online Promos (PRM) #102295, 2022 (digital)
  • Double Masters 2022 (2X2) #221, 2022
  • Double Masters 2022 (2X2) #379, 2022
  • Double Masters 2022 (2X2) #501, 2022
  • The List (PLST) #MMA-176, 2021
  • Judge Gift Cards 2021 (PJ21) #6, 2021
  • Modern Masters (MMA) #176, 2013
  • Dissension (DIS) #112, 2006

Grand Arbiter Augustin IV

Legendary Creature — Human Advisor

White spells you cast cost 1 generic less to cast.
Blue spells you cast cost 1 generic less to cast.
Spells your opponents cast cost 1 generic more to cast.

The Arbiter is a conduit of justice, a will so disciplined that it dispenses justice without ego or remorse.

2/3

Illustrated by
Zoltan Boros & Gabor Szikszai
Watermark
Azorius

Legality

Legal in
Modern, Legacy, Vintage, Penny Dreadful, Commander, Duel Commander, PreDH, Oathbreaker
Not legal in
Standard, Pioneer, Pauper, Future Standard, Historic, Timeless, Alchemy, Premodern, Old School 93/94, Gladiator, Pauper Commander, Tiny Leaders, Brawl, Standard Brawl, Competitive Brawl

Rulings (2)
  • This reduces only generic mana portion of mana costs. A spell you cast with mana cost 1 genericWhiteBlue will cost WhiteBlue to cast.
  • Spells you cast that are both blue and white cost 2 generic less to cast.

Prices

MTGO price: 0.006 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).

Combos

125 combos, the most popular first:

See all 125 on Commander Spellbook

Commander In 56 of 6520 decks (0.9%), most in Ishai, Ojutai Dragonspeaker + Rograkh, Son of Rohgahh
Share of decks
0.8%
▼ 0.1 vs previous 30 days
2026-08-17: 0.6% 2026-08-24: 1.3% 2026-08-31: 1.1% 2026-09-07: 1.3% 2026-09-14: 0.8% 2026-09-21: 0.8% 2026-09-28: 0.7% 2026-10-05: 1.1% 2026-10-12: 0.9% 2026-10-19: 0.8% 2026-10-26: 0.7%
Weekly, last 90 days
Decks
56
56 main, 0 sideboard
Avg. copies
1.0
in the main deck
Win rate
30%
13 top 8 (challenges only)

Archetypes by metagame share

Archetype Meta Play it
Ishai, Ojutai Dragonspeaker + Rograkh, Son of Rohgahh 1.4% 1%
Tivit, Seller of Secrets 1.0% 37%
Marneus Calgar 0.8% 4%
Derevi, Empyrial Tactician 0.6% 8%
Helga, Skittish Seer 0.3% 53%
Atraxa, Grand Unifier 0.2% 6%
Aang, at the Crossroads 0.2% 47%
Y'shtola, Night's Blessed 0.2% 8%

Played together with

Card Together Lift
Command Tower96%1.1
Flooded Strand95%1.3
Tundra91%2.6
Chrome Mox91%1.0
Hallowed Fountain89%6.9
Gemstone Caverns89%1.0
Force of Will88%1.4
City of Brass86%1.2
Mox Diamond84%1.0
Polluted Delta82%1.1

Best win rate

DeckRecord
Helga, Skittish Seer
Somethingbouttafrog [YGG] in Perfect Storm Comics & Games - Tabernacle 10K		 2-3
40%
Helga, Skittish Seer
Kuvar Bhatnagar in FOIL Gaea's Cradle cEDH 6k		 2-3
40%
Helga, Skittish Seer
Luca Leão Cruz in Mana Burn II - European cEDH Championship Qualifier		 2-3
40%
Tivit, Seller of Secrets
Vinnie Taitingfong in LDXP Sacramento - CEDH		 2-4
33%
Atraxa, Grand Unifier
Oliver Schofield-Fitzpatrick in CEDH Dual Tournament 9 - October 3rd		 2-4
33%
Tivit, Seller of Secrets
Trevor Nally in Gem State CEDH | Ad Naus for a Cause!		 1-4
20%
Ertai, the Corrupted
Cole Houtz in Gem State CEDH | Ad Naus for a Cause!		 0-5
0%

Challenges only: MTGO publishes only the 5-0 league decks.

Latest decks

DeckCopiesFinish
Derevi, Empyrial Tactician
Chip Morgan, 		1 main #14
of 25
0-3
Tivit, Seller of Secrets
michael crozier, 		1 main #29
of 32
0-4
Tivit, Seller of Secrets
Jochen, 		1 main #46
of 54
0-4
Tivit, Seller of Secrets
Christian Gullberg-hansen, 		1 main #17
of 38
1-2
Tivit, Seller of Secrets
Daniel Feser, 		1 main #19
of 31
0-1
Helga, Skittish Seer
Tyson LoPresti, 		1 main #16
of 28
0-2
Tivit, Seller of Secrets
Lorenzo Gheri, 		1 main #1
of 19
2-1
Tivit, Seller of Secrets
Daniel Feser, 		1 main #23
of 39
0-2