---
name: "Rex, Cyber-Hound"
mana_cost: "{1}{W}{U}"
cmc: 3
type_line: "Legendary Artifact Creature — Robot Dog"
colors: ["U", "W"]
color_identity: ["U", "W"]
keywords: ["Mill"]
set: "PIP"
set_name: "Fallout"
collector_number: "427"
rarity: "rare"
artist: "Jeremy Paillotin"
oracle_id: "7ad52f9c-48d8-486f-90b7-73ce5cb3b9db"
canonical_url: "https://avascry.com/printing/rex-cyber-hound-pip"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "not_legal"
---

# Rex, Cyber-Hound
- **Mana Cost:** `{1}{W}{U}` (CMC: 3)
- **Type:** Legendary Artifact Creature — Robot Dog
- **Power/Toughness:** 2/2
- **Keywords:** Mill

## Oracle Text
Whenever Rex deals combat damage to a player, they mill two cards and you get {E}{E} (two energy counters).
Pay {E}{E}: Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.
Rex has all activated abilities of all cards in exile with brain counters on them.

## Top 4096-Dim Neural Synergies
1. [Dogmeat, Ever Loyal](/printing/dogmeat-ever-loyal-pip.md) — Legendary Creature — Dog
2. [Rust Harvester](/printing/rust-harvester-peoe.md) — Artifact Creature — Robot
3. [The Cyber-Controller](/printing/the-cyber-controller-who.md) — Legendary Artifact Creature — Cyberman
4. [Doombot Harbinger](/printing/doombot-harbinger-msc.md) — Artifact Creature — Robot Villain
5. [Doom's Servo-Guards](/printing/dooms-servo-guards-msc.md) — Artifact Creature — Robot Villain
6. [Dreadhound](/printing/dreadhound-pio.md) — Creature — Demon Dog

## Printing Details
- **Set:** Fallout (PIP) #427
- **Rarity:** Rare
- **Artist:** Jeremy Paillotin
- **Total Printings:** 12 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`