Chainer, Dementia Master
BLegendary Creature — Human Minion

Chainer, Dementia Master

Mana value5EDHREC#5,234

The Commander

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.

Guide

Gameplan

Reanimate the best creatures from any graveyard repeatedly using Chainer's activated ability, paying life as your primary resource. Fill graveyards with self-mill and discard, steal opponents' bombs, then convert those Nightmares into a board that closes the game. You operate as a grindy mono-black reanimator that turns life total into mana value.

Strengths

  • Repeatable reanimation from ANY graveyard, including opponents', gives huge card advantage
  • Mono-black means consistent mana, easy tutors, and access to all the best black ramp and recursion
  • Life-as-resource scales well in mono-black with drain and lifegain support
  • Can hate-pick the table's best creatures right out of their graveyards

Weaknesses

  • Triple black plus 3 life per activation is taxing and life loss adds up fast
  • Chainer leaving the battlefield exiles all your Nightmares, a brutal blowout to removal and board wipes
  • Color identity locks you out of counterspells and proactive interaction beyond removal
  • Reliant on graveyards being stocked, so graveyard hate shuts the engine down

Key Cards

  • Buried AliveStocks your own graveyard with three reanimation targets in one card for Chainer to grab.
  • Bolas's CitadelTurns your high life total into raw card advantage, perfectly synergizing with a life-as-resource deck.
  • Gray Merchant of AsphodelA repeatable reanimation target that drains the table and helps recoup the life Chainer spends.
  • Mikaeus, the UnhallowedProtects your non-Human Nightmares with undying and enables sacrifice loops alongside Chainer.
  • Sheoldred, the Whispering OneA premier reanimation target that recurs your creatures and forces opponents to sacrifice each turn.
  • Caged SunDoubles black mana so you can activate Chainer multiple times per turn and fuels Citadel.
  • Whip of ErebosGrants lifelink to your whole team, refilling the life Chainer drains while keeping reanimated threats alive.

Upgrade Path

Add fast mana and black ramp (Dark Ritual, Cabal Coffers, Nykthos) to power out multiple Chainer activations per turn. Lean into protection for Chainer himself (Lightning Greaves, Swiftfoot Boots) since his death exiles your whole board, and add a sacrifice outlet plus Mikaeus for an infinite combo finish. Tighten the reanimation suite with Buried Alive, Entomb, and Victimize to maximize value per activation.

Core Cards

The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.

Win Conditions

  • Repeated Gray Merchant of Asphodel drains or other lifeloss effects
  • Beating down with an army of buffed reanimated Nightmares
  • Combo loops like Mikaeus plus a sac outlet and reanimation for infinite drain
  • Bolas's Citadel into a top-deck-fueled lethal sequence

Archetypes

  • ReanimatorChainer's repeatable ability is one of the format's best graveyard-to-battlefield engines.
  • AristocratsReanimated bodies can be sacrificed for value, then brought back again, looping with Chainer.
  • Theft / StealHe pulls creatures out of opponents' graveyards, turning their bombs into your Nightmares.
  • Lifedrain ControlMono-black grind with drains and removal leverages the life total Chainer feeds on.

Combos

No combos found for this commander on Commander Spellbook.

Related Commanders

Same color identity (B), by popularity.

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