---
name: "Fault Line"
mana_cost: "{X}{R}{R}"
cmc: 2
type_line: "Instant"
colors: ["R"]
color_identity: ["R"]
keywords: []
set: "USG"
set_name: "Urza's Saga"
collector_number: "185"
rarity: "rare"
artist: "Ron Spencer"
oracle_id: "ed743b88-0866-4f88-9f30-d49d2cf36b99"
canonical_url: "https://avascry.com/printing/fault-line-usg"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Fault Line
- **Mana Cost:** `{X}{R}{R}` (CMC: 2)
- **Type:** Instant

## Oracle Text
Fault Line deals X damage to each creature without flying and each player.

## Top 4096-Dim Neural Synergies
1. [Earthquake](/printing/earthquake-5ed.md) — Sorcery
2. [Seismic Rupture](/printing/seismic-rupture-fdn.md) — Sorcery
3. [Seismic Shudder](/printing/seismic-shudder-zen.md) — Instant
4. [Magmaquake](/printing/magmaquake-c19.md) — Instant
5. [Shake the Foundations](/printing/shake-the-foundations-rix.md) — Instant
6. [Rock Slide](/printing/rock-slide-vis.md) — Instant

## Printing Details
- **Set:** Urza's Saga (USG) #185
- **Rarity:** Rare
- **Artist:** Ron Spencer
- **Total Printings:** 10 across all historical editions

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