---
name: "Iron Mastiff"
mana_cost: "{4}"
cmc: 4
type_line: "Artifact Creature — Dog"
colors: []
color_identity: []
keywords: []
set: "CLB"
set_name: "Commander Legends: Battle for Baldur's Gate"
collector_number: "317"
rarity: "uncommon"
artist: "James Paick"
oracle_id: "6d00e24f-c89f-49fa-869e-d788021aa084"
canonical_url: "https://avascry.com/printing/iron-mastiff-clb"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Iron Mastiff
- **Mana Cost:** `{4}` (CMC: 4)
- **Type:** Artifact Creature — Dog
- **Power/Toughness:** 4/4

## Oracle Text
Whenever this creature attacks, roll a d20 for each player being attacked and ignore all but the highest roll.
1—9 | This creature deals damage equal to its power to you.
10—19 | This creature deals damage equal to its power to defending player.
20 | This creature deals damage equal to its power to each opponent.

## Top 4096-Dim Neural Synergies
1. [Ashmouth Hound](/printing/ashmouth-hound-ddk.md) — Creature — Elemental Dog
2. [Pack Mastiff](/printing/pack-mastiff-m20.md) — Creature — Dog
3. [Warclamp Mastiff](/printing/warclamp-mastiff-m13.md) — Creature — Dog
4. [Lightfoot Rogue](/printing/lightfoot-rogue-afr.md) — Creature — Halfling Rogue
5. [Akroan Mastiff](/printing/akroan-mastiff-jou.md) — Creature — Dog
6. [Boros Mastiff](/printing/boros-mastiff-dgm.md) — Creature — Dog

## Printing Details
- **Set:** Commander Legends: Battle for Baldur's Gate (CLB) #317
- **Rarity:** Uncommon
- **Artist:** James Paick
- **Total Printings:** 11 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`