---
name: "Chainer, Dementia Master"
mana_cost: "{3}{B}{B}"
cmc: 5
type_line: "Legendary Creature — Human Minion"
colors: ["B"]
color_identity: ["B"]
keywords: []
set: "CMM"
set_name: "Commander Masters"
collector_number: "144"
rarity: "rare"
artist: "Mark Zug"
oracle_id: "cb905eb0-bb20-41c0-9695-0f5c71972561"
canonical_url: "https://avascry.com/printing/chainer-dementia-master-cmm"
legalities:
  commander: "legal"
  standard: "not_legal"
  modern: "not_legal"
  pioneer: "not_legal"
  legacy: "legal"
  vintage: "legal"
  pauper: "not_legal"
  penny: "legal"
---

# Chainer, Dementia Master
- **Mana Cost:** `{3}{B}{B}` (CMC: 5)
- **Type:** Legendary Creature — Human Minion
- **Power/Toughness:** 3/3

## Oracle Text
All Nightmares get +1/+1.
{B}{B}{B}, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.
When Chainer leaves the battlefield, exile all Nightmares.

## Top 4096-Dim Neural Synergies
1. [Chainer, Nightmare Adept](/printing/chainer-nightmare-adept-j21.md) — Legendary Creature — Human Minion
2. [Chainer's Torment](/printing/chainers-torment-dom.md) — Enchantment — Saga
3. [Abyssal Harvester](/printing/abyssal-harvester-fdn.md) — Creature — Demon Warlock
4. [Nightmare Shepherd](/printing/nightmare-shepherd-thb.md) — Enchantment Creature — Demon
5. [Chthonian Nightmare](/printing/chthonian-nightmare-mh3.md) — Enchantment
6. [Laquatus's Champion](/printing/laquatuss-champion-a25.md) — Creature — Nightmare Horror

## Printing Details
- **Set:** Commander Masters (CMM) #144
- **Rarity:** Rare
- **Artist:** Mark Zug
- **Total Printings:** 47 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: `legal`