---
name: "Doorkeeper"
mana_cost: "{1}{U}"
cmc: 2
type_line: "Creature — Homunculus"
colors: ["U"]
color_identity: ["U"]
keywords: ["Mill", "Defender"]
set: "RTR"
set_name: "Return to Ravnica"
collector_number: "37"
rarity: "common"
artist: "Kev Walker"
oracle_id: "8a960cc2-3802-42bc-ba28-941bfe9743be"
canonical_url: "https://avascry.com/printing/doorkeeper-rtr"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "legal"
  pioneer: "legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "legal"
  penny: "legal"
---

# Doorkeeper
- **Mana Cost:** `{1}{U}` (CMC: 2)
- **Type:** Creature — Homunculus
- **Power/Toughness:** 0/4
- **Keywords:** Mill, Defender

## Oracle Text
Defender
{2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender.

> *Um olhar penetrante geralmente convence os ladrões a ir para outro lugar.*

## Top 4096-Dim Neural Synergies
1. [Coral Colony](/printing/coral-colony-dmu.md) — Creature — Wall
2. [Riddlekeeper](/printing/riddlekeeper-cm2.md) — Creature — Homunculus
3. [Wall of Lost Thoughts](/printing/wall-of-lost-thoughts-rna.md) — Creature — Wall
4. [Reito Sentinel](/printing/reito-sentinel-neo.md) — Artifact Creature — Construct
5. [Homarid Explorer](/printing/homarid-explorer-dom.md) — Creature — Homarid Scout
6. [Excavated Wall](/printing/excavated-wall-stx.md) — Artifact Creature — Wall

## Printing Details
- **Set:** Return to Ravnica (RTR) #37
- **Rarity:** Common
- **Artist:** Kev Walker
- **Total Printings:** 15 across all historical editions

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