Moonstone, Harsh Mistress

Art by Grace Zhu

Commander deckB

Moonstone, Harsh Mistress

Leverage symmetrical and self-discard effects to strip opponents' hands while Moonstone exiles our discarded cards to be cast until the end of our next turn. Generate overwhelming advantage through discard payoffs like Waste Not, Bone Miser, and Tergrid.

$431.73for all 100 cards at today’s prices
Built Sep 22, 202661 views

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Deck anatomy

What this list actually runs on: how cheaply it casts things, and whether it has enough ramp, card draw and interaction to keep up at the table. Each block is one card — hover for its name.

Mana curve · 62 nonland cards

6
23
14
11
6
2
01234567+
RampCard drawInteractionThreats & synergy

The working parts

Ramp14
Card draw18
Interaction15
↳ board wipes5
Tutors1

Counted from Scryfall’s community card tags, not from the builder’s own labels. A card that does two jobs counts twice, so these add up to more than the deck. The hatched band is a common rule of thumb, not a law — combo decks run leaner, battlecruiser decks heavier.

Colored mana symbols

B 73
37lands · rule of thumb 35–38
2.90average mana value (nonland)
$431.73whole deck, today

The list

Commander

1
Moonstone, Harsh Mistress

Moonstone, Harsh Mistress

3B

Legendary Creature — Human Doctor Villain

Chosen commander for the requested strategy.

Ramp

10
Sol Ring

Sol Ring

1

Artifact

Essential format-staple fast mana

Arcane Signet

Arcane Signet

2

Artifact

Efficient two-mana rock providing black mana

Mind Stone

Mind Stone

2

Artifact

Early ramp that can cycle for a fresh card later

Thought Vessel

Thought Vessel

2

Artifact

Unconditional two-mana rock

Jet Medallion

Jet Medallion

2

Artifact

Reduces the casting cost of all black spells played from exile

Dark Ritual

Dark Ritual

B

Instant

Explosive burst mana to cast the commander or high-impact spells

Cabal Ritual

Cabal Ritual

1B

Instant

Generates huge black mana boosted by threshold from discarded cards

Charcoal Diamond

Charcoal Diamond

2

Artifact

Consistent two-mana ramp artifact for mono-black

Crypt Ghast

Crypt Ghast

3B

Creature — Spirit

Doubles swamp mana and extorts opponents

Black Market Connections

Black Market Connections

2B

Enchantment

Flexible source of Treasure ramp, token threats, and card advantage

Card Draw

10
Necropotence

Necropotence

BBB

Enchantment

Massive hand refill where discarded excess cards are preserved by Moonstone

Phyrexian Arena

Phyrexian Arena

1BB

Enchantment

Reliable extra draw every upkeep

Sign in Blood

Sign in Blood

BB

Sorcery

Cheap two-mana velocity to keep resources flowing

Read the Bones

Read the Bones

2B

Sorcery

Deep card selection and draw in black

Night's Whisper

Night's Whisper

1B

Sorcery

Low-cost, efficient raw card draw

Morbid Curiosity

Morbid Curiosity

1BB

Sorcery

Draws chunks of cards by cashing in high-cost permanents

Syphon Mind

Syphon Mind

3B

Sorcery

Forces everyone to discard while drawing multiple cards

Pact of the Serpent

Pact of the Serpent

1BB

Sorcery

Scalable draw spell or targeted burn

Deadly Dispute

Deadly Dispute

1B

Instant

Instant-speed card draw and artifact ramp

Insatiable Avarice

Insatiable Avarice

B

Sorcery

Modal tutor or explosive raw card draw

Removal

10
Feed the Swarm

Feed the Swarm

1B

Sorcery

Vital black removal that answers both creatures and troublesome enchantments

Infernal Grasp

Infernal Grasp

1B

Instant

Unconditional instant-speed creature removal for two life

Toxic Deluge

Toxic Deluge

2B

Sorcery

Premier board wipe that bypasses indestructible at low mana cost

Damnation

Damnation

2BB

Sorcery

Clean, classic mono-black creature sweeper

Snuff Out

Snuff Out

3B

Instant

Free interaction to remove threats even when tapped out

Deadly Rollick

Deadly Rollick

3B

Instant

Free creature exile with commander on the battlefield

Defile

Defile

B

Instant

Extremely mana-efficient removal scaling with swamps

Withering Torment

Withering Torment

2B

Instant

Instant-speed creature or enchantment destruction

Dismember

Dismember

1BPBP

Instant

Flexible cheap removal that bypasses indestructible

The Meathook Massacre

The Meathook Massacre

XBB

Legendary Enchantment

Scalable sweeper that provides recurring life drain

Threats/Wincons

24
Waste Not

Waste Not

1B

Enchantment

Tremendous engine rewarding every card opponents discard

Tergrid, God of Fright // Tergrid's Lantern

Tergrid, God of Fright // Tergrid's Lantern

3BB

Legendary Creature — God // Legendary Artifact

Steals every permanent card discarded or sacrificed by opponents

Tinybones, Trinket Thief

Tinybones, Trinket Thief

1B

Legendary Creature — Skeleton Rogue

Draws cards off opponent discards and provides a late-game win condition

Tourach, Dread Cantor

Tourach, Dread Cantor

1B

Legendary Creature — Human Cleric

Grows massively while tearing apart opposing hands

Sheoldred, the Apocalypse

Sheoldred, the Apocalypse

2BB

Legendary Creature — Phyrexian Praetor

Punishes opponents' draws while preserving our life total

Archfiend of Ifnir

Archfiend of Ifnir

3BB

Creature — Demon

Wipes opposing boards whenever we cycle or discard cards

Bone Miser

Bone Miser

4B

Creature — Zombie Wizard

Triggers huge value whenever we discard cards to Moonstone

Syr Konrad, the Grim

Syr Konrad, the Grim

3BB

Legendary Creature — Human Knight

Pumps out indirect damage on every creature discard or death

Rankle, Master of Pranks

Rankle, Master of Pranks

2BB

Legendary Creature — Faerie Rogue

Hasty flyer forcing symmetrical discard that favors our commander

Geth's Grimoire

Geth's Grimoire

4

Artifact — Book

Turns every opponent's discard into fresh cards for us

Megrim

Megrim

2B

Enchantment

Punishes opponents with steady burn whenever they discard

Liliana's Caress

Liliana's Caress

1B

Enchantment

Low-cost enchantment that rapidly drains opponents as they discard

Raiders' Wake

Raiders' Wake

3B

Enchantment

Drains opponents on discard and provides raid pressure

Fell Specter

Fell Specter

3B

Creature — Specter

Flying beater that strips cards upon entry and bleeds opponents on discard

Davriel, Rogue Shadowmage

Davriel, Rogue Shadowmage

2B

Legendary Planeswalker — Davriel

Targeted discard that punishes opponents with empty hands

Skirge Familiar

Skirge Familiar

4B

Creature — Phyrexian Imp

Free discard outlet turning any card into black mana to cast with Moonstone

Zombie Infestation

Zombie Infestation

1B

Enchantment

Converts discarded cards into an army of Zombies while banking cards in exile

Putrid Imp

Putrid Imp

B

Creature — Zombie Imp

One-mana discard outlet to freely trigger Moonstone's exile ability

Oona's Prowler

Oona's Prowler

1B

Creature — Faerie Rogue

Aggressive flyer that tempts opponents and enables self-discard

Anvil of Bogardan

Anvil of Bogardan

2

Artifact

Symmetrical looting engine that fuels Moonstone every turn

Necrogen Mists

Necrogen Mists

2B

Enchantment

Forces discard every upkeep to lock down opponents while Moonstone saves our cards

Bottomless Pit

Bottomless Pit

1BB

Enchantment

Symmetrical random discard that completely dismantles opposing strategies

Oppression

Oppression

1BB

Enchantment

Punishes every spell cast with discard, breaking parity through Moonstone

Creeping Dread

Creeping Dread

3B

Enchantment

Symmetrical discard that drains life when card types match

Utility

8
Lightning Greaves

Lightning Greaves

2

Artifact — Equipment

Protects Moonstone from removal and gives haste

Swiftfoot Boots

Swiftfoot Boots

2

Artifact — Equipment

Provides hexproof protection to ensure our engine sticks

Bolas's Citadel

Bolas's Citadel

3BBB

Legendary Artifact

Allows us to storm through the top of our deck using life as mana

Dauthi Voidwalker

Dauthi Voidwalker

BB

Creature — Dauthi Rogue

Asymmetrical graveyard hate that lets us cast opponents' best exiled cards

Reanimate

Reanimate

B

Sorcery

Efficient reanimation to bring back huge creatures pitched to discard

Animate Dead

Animate Dead

1B

Enchantment — Aura

Cheap recursion aura that leverages cards placed in the graveyard

Living Death

Living Death

3BB

Sorcery

Symmetrical board wipe and mass reanimation finisher

Professor Onyx

Professor Onyx

4BB

Legendary Planeswalker — Liliana

Card selection, edict removal, and Magecraft drain to close out games

Lands

37
Reliquary Tower

Reliquary Tower

Land

No maximum hand size.

War Room

War Room

Land

Card draw from the mana base.

Rogue's Passage

Rogue's Passage

Land

Makes a creature unblockable.

Temple of the False God

Temple of the False God

Land

Extra mana in the late game.

Bojuka Bog

Bojuka Bog

Land

Free graveyard hate on ETB.

Castle Locthwain

Castle Locthwain

Land

Mono-color utility land.

Swamp

Swamp 31x

Basic Land — Swamp

Basic land allocated from mana pip counts.