---
name: "Karn's Sylex"
mana_cost: "{3}"
cmc: 3
type_line: "Legendary Artifact"
colors: []
color_identity: []
keywords: []
set: "DMU"
set_name: "Dominaria United"
collector_number: "234"
rarity: "mythic"
artist: "Adam Paquette"
oracle_id: "c5e817f9-a003-45b5-8e16-1746e6096166"
canonical_url: "https://avascry.com/printing/karns-sylex-dmu"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Karn's Sylex
- **Mana Cost:** `{3}` (CMC: 3)
- **Type:** Legendary Artifact

## Oracle Text
Karn's Sylex enters tapped.
Players can't pay life to cast spells or to activate abilities that aren't mana abilities.
{X}, {T}, Exile Karn's Sylex: Destroy each nonland permanent with mana value X or less. Activate only as a sorcery.

## Top 4096-Dim Neural Synergies
1. [Urza's Sylex](/printing/urzas-sylex-pbro.md) — Legendary Artifact
2. [The Filigree Sylex](/printing/the-filigree-sylex-pone.md) — Legendary Artifact
3. [Aether Storm](/printing/aether-storm-me2.md) — Enchantment
4. [Urza's Ruinous Blast](/printing/urzas-ruinous-blast-brc.md) — Legendary Sorcery
5. [Gaze of Granite](/printing/gaze-of-granite-pidw.md) — Sorcery
6. [Obliterate](/printing/obliterate-8ed.md) — Sorcery

## Printing Details
- **Set:** Dominaria United (DMU) #234
- **Rarity:** Mythic
- **Artist:** Adam Paquette
- **Total Printings:** 10 across all historical editions

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