---
name: "Grand Arbiter Augustin IV"
mana_cost: "{2}{W}{U}"
cmc: 4
type_line: "Legendary Creature — Human Advisor"
colors: []
color_identity: ["U", "W"]
keywords: []
set: "DIS"
set_name: "Dissension"
collector_number: "112"
rarity: "rare"
artist: "Zoltan Boros & Gabor Szikszai"
oracle_id: "1f8d4d5f-e82f-45f3-823e-1bb6b536eb18"
canonical_url: "https://avascry.com/printing/grand-arbiter-augustin-iv-dis"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Grand Arbiter Augustin IV
- **Mana Cost:** `{2}{W}{U}` (CMC: 4)
- **Type:** Legendary Creature — Human Advisor

## Oracle Text
White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Spells your opponents cast cost {1} more to cast.

## Top 4096-Dim Neural Synergies
1. [Council of the Absolute](/printing/council-of-the-absolute-dgm.md) — Creature — Human Advisor
2. [Archmage of Runes](/printing/archmage-of-runes-fdn.md) — Creature — Giant Wizard
3. [Baral, Chief of Compliance](/printing/baral-chief-of-compliance-aer.md) — Legendary Creature — Human Wizard
4. [Will, Scion of Peace](/printing/will-scion-of-peace-woe.md) — Legendary Creature — Human Wizard
5. [Gloom](/printing/gloom-me4.md) — Enchantment
6. [Aragorn, the Uniter](/printing/aragorn-the-uniter-ltr.md) — Legendary Creature — Human Noble

## Printing Details
- **Set:** Dissension (DIS) #112
- **Rarity:** Rare
- **Artist:** Zoltan Boros & Gabor Szikszai
- **Total Printings:** 10 across all historical editions

## Format Legalities
Commander: `legal` | Standard: `not_legal` | Modern: `legal` | Pioneer: `not_legal` | Legacy: `legal` | Vintage: `legal` | Pauper: `not_legal` | Penny: `legal`

## Official Rulings
- *(2006-05-01)* This reduces only generic mana portion of mana costs. A spell you cast with mana cost {1}{W}{U} will cost {W}{U} to cast.
- *(2006-05-01)* Spells you cast that are both blue and white cost {2} less to cast.