---
name: "Impervious Greatwurm"
mana_cost: "{7}{G}{G}{G}"
cmc: 10
type_line: "Creature — Wurm"
colors: ["G"]
color_identity: ["G"]
keywords: ["Indestructible", "Convoke"]
set: "2X2"
set_name: "Double Masters 2022"
collector_number: "463"
rarity: "rare"
artist: "Simon Dominic"
oracle_id: "65c0ab05-e740-4380-b39c-8bae9662f885"
canonical_url: "https://avascry.com/printing/impervious-greatwurm-2x2"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Impervious Greatwurm
- **Mana Cost:** `{7}{G}{G}{G}` (CMC: 10)
- **Type:** Creature — Wurm
- **Power/Toughness:** 16/16
- **Keywords:** Indestructible, Convoke

## Oracle Text
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Indestructible

> *Die ultimative Antwort auf Intrigen und Raffinesse.*

## Top 4096-Dim Neural Synergies
1. [Autochthon Wurm](/printing/autochthon-wurm-rav.md) — Creature — Wurm
2. [Siege Wurm](/printing/siege-wurm-rvr.md) — Creature — Wurm
3. [Ancient Imperiosaur](/printing/ancient-imperiosaur-pmom.md) — Creature — Dinosaur
4. [Worldsoul Colossus](/printing/worldsoul-colossus-grn.md) — Creature — Elemental
5. [Ephemeral Shields](/printing/ephemeral-shields-m15.md) — Instant
6. [Will-Forged Golem](/printing/will-forged-golem-m15.md) — Artifact Creature — Golem

## Printing Details
- **Set:** Double Masters 2022 (2X2) #463
- **Rarity:** Rare
- **Artist:** Simon Dominic
- **Total Printings:** 21 across all historical editions

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