The Hall of Mirrors [by water the weeds]

The Hall of Mirrors​

In this cube, when you build your deck, you can include a second copy of up to two cards that you drafted.​

• You can include up to two mirrors in your deck.
• Your two mirrors must copy different cards from your draft pool.
• You can change your mirrors between games.
• To mirror a card, sleeve a paper copy over a card you aren't using.

To facilitate this, every card is backsleeved with a second copy, printed in paper in grayscale (for ease of finding and resetting post cube night). Also, everyone gets a custom pack topper with the above rules printed out on it.

Although this cube adds a "rule" to deckbuilding, it is not a gimmick or recontextualization cube. Instead, the structure and restrictions of this cube emerged from exploring a number of goals that I wanted my primary canon cube to meet:

1: Maximizing slot equity - an experiment in how many unique-feeling decks can be packed into in a reasonably sized box.​

Slot equity is about using every slot with intention to create a replayable format where decks are highly varied and feel unique from night to night, without creating a thousand-card behemoth.
What makes decks feel unique - the mirrors as defining cards.
The rare section as a tool to make defining card vary from game to game.
Many cubes struggle with cool cards that are just not reliable enough to be worth building around, and get beaten by on rate threats and answers. Mirrors and cube curation try to solve that, and make this a home for those very cool cards.
Payoffs should not be so narrow that there is only one way to build around them.
Glue that forms the bulk of the core and allows synergies to appear in many flavors and color combinations.
Why two mirrors is exactly the right number.
Elaboration coming soon.

2: There is vast emergent complexity in the interactions between cards, but the comprehension complexity to process the cards and put your head into that emergent space is kept in check.​

This is what I would call elegance. A web of synergies with no rails, emerging from mostly simple cards.
Limiting wordiness, cards should be simple enough to stick in your head.
The cards with the highest ceilings (that set the bar for power outliers) require work in drafting/deckbuilding to earn the payoff.
Elaboration coming soon.

3: The cube is accessible to a broad range of Magic players. Players can go in blind, leverage preexisting heuristics about Magic, and not trainwreck.​

Reading the pack explains the cube.
Don't expect everyone to have an encyclopedic knowledge about magic.
Reading the cards is cool, actually.
Expectations about power level and function from other cubes and other formats carry over.
Keep the amount that needs to be explained at the start of the draft to one sentence.
Elaboration coming soon.

4: Fun is not a zero sum game. Prioritize exciting moments beyond [outplaying your opponents and winning] in draft, deckbuilding, and gameplay.​

Making drafting and deckbuilding as hype as possible.
You should get to live the dream. Your opponent might just live the dream harder.
Plenty of interaction, but it's not the strongest thing around.
There's always an out - no uninteractible threats, no feeling totally locked out by answers, no two card combos that end the game on the spot.
Combat is fun, everyone should have to go to combat and also be able to block sometimes.
Elaboration coming soon.

5: The DIY ethos. Taking matters into my own hands, not waiting for WotC to do better.​

This cube is heavily proxied, and I go out of my way to make proxies that are more accessible and less sell-out than what WotC has on offer.
Single-faced versions of MDFC spell/lands.
Universes Within versions of u-beyond cards.
Printing cards with reminder text whose canon printings lack reminder text.
This is not a custom cube but it gets right up against the edge of what people would constider custom, without crossing that line.
Elaboration coming soon.
 

Draft Reports - Archetype, Results, Mirrors​


Draft Report 29/03/26
Bant Nexus (2-1-1) Utopia Sprawl x Expel the Interlopers
Esper Flicker (2-1) Ephemerate x Soulherder
Golgari Ramp (2-1) Fanatic of Rhonas x Sire of Seven Deaths
Gruul Pump (2-2) Heartfire Hero x Monstrous Rage
Golgari Midrange (1-1-1) Compy Swarm x Unearth
Izzet Nonsense (0-3) Flames of Anor x Displacer Kitten

Draft Report 27/03/26
Izzet Wizards (2-0-1) Harmonic Prodigy x Flames of Anor
Selesnya Midrange (2-0-1) Warden of the Grove x Sanguine Evangelist
Selesnya Lifegain (1-1-1) Haliya, Guided by Light x Trudge Garden
Jund Aristocrats (1-1) Wight of the Reliquary x Marionette Apprentice
Sultai Pile (1-1) Primeval Titan x Berserk
Dimir Control (0-2-1) Reef Worm x Three Steps Ahead
Boros Aggro (0-2) Voice of Victory x Nova Hellkite

Draft Report 08/03/26
WUBR Artifacts (3-0) Steel Overseer x Hangarback Walker
Izzet Draw Control (2-1) Irencrag Pyromancer x Occult Epiphany
Orzhov Aristocrats (1-1-1) Delney Streetwise Lookout x Marionette Apprentice
UWRG Control (1-1) Day of Judgement x Celestial Collonade
Simic Tempo (0-1-1) Tenacious Pup x Zegana, Utopia Speaker
Temur Prowess (1-2) Slickshot Showoff x Monstrous Rage
Jund Arti-crats (0-2) Cauldron Familiar x Witch's Oven

Draft Report 28/02/26
Jeskai Artifacts (2-0) Thought Monitor x Third Path Iconoclast
Rakdos Madness (2-0) Fear of Missing Out x Seasoned Pyromancer
Bant Control (1-1) Talisman of Progress x Mulldrifter
Abzan Midrange (1-1) Lethal Scheme x Atomize
Simic Ramp (0-2) Malevolent Rumble x Primeval Titan
Grixis Artifacts (0-2) Steel Overseer x Arcbound Ravager

Draft Report 15/02/26
Dimir Looting (3-0) Proft's Eidetic Memory x Occult Epiphany
Jeskai Artifact-Counters (2-1) Steel Overseer x Filigree Vector
Temur Aggro (1-1) Sulfuric Vortex x Psionic Blast
Jund Artifact-Graveyard (1-2) Goblin Welder x Monument to Endurance
Selesnya Tokens (0-3) Voice of Victory x Nesting Dovehawk

Draft Report 28/01/26
Simic Lands (3-0) Icetill Explorer x Punishing Fire
Orzhov Aristocrats (2-1) Bastion of Remembrance x Ophiomancer
Rakdos Articrats (2-0-1) Goblin Welder x Oni Cult Anvil
Jeskai Card Draw (1-0-2) Irencrag Pyromancer x Flames of Anor
Selesnia Lifegain/Flicker (1-1-1) Delney Streetwise Lookout x Gala Greeters
Domain Midrange (1-2) Mirrors fetchlands G1 and then switches depending on opponent - Leyline Binding, Dragonbrood Relic, Banish into Fable
Boros Tokens (0-3) Warleader's Call x Battle Screech
Izzet Prowess (0-3) Slickshot Showoff x Monstrous Rage

Draft Report 06/12/25
Orzhov Aristocrats (3-0) Jadar, Ghoulcaller of Nephalia x Bastion of Rememberance
Boros Aggro (3-1) Grim Lavamancer x Gau, Feral Youth
... I didn't record the other decks from this draft, tragic

Draft Report 03/12/25
Golgari Counters (3-0) Ozolith, the Shattered Spire x Hangarback Walker
Bant Wilderness Reclamation (2-0-1) Wilderness Reclamation x Shark Typhoon
Rakdos Madness (2-1) Dragon's Rage Channeler x Fiery Temper
Orzhov Aristocrats (2-1) Voice of Victory x Reprieve
Naya Aggro (2-1) Slickshot Showoff x Emberheart Challenger
Domain Midrange (1-2) Territorial Kavu x Nishoba Brawler
Esper Tempo (1-2) Celestial Colonnade x Spectral Interference
WBRG Artifact Combo (1-2) Cauldron Familiar x Witch's Oven
Mardu Go-Wide (0-2-1) Delney, Streetwise Lookout x Skyknight Squire
Esper Control (0-3) Snapcaster Mage x Make Disappear

There were a few drafts before Dec of 2025 but the cube was still changing a lot and figuring out its power band and I don't think they make as useful data.
 
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A good weekend for cube - I did a seven-player draft on Friday and a six-player draft today (Sunday). Successful decks tended to have a focused plan, interaction, synergy, and knew their place on the metagame clock (pressure vs inevitability). Unsuccessful decks were either piles of good cards without a clear focus, or durdly synergy engines that spun their wheels too much.

Draft: 29/03/26
Bant Nexus (2-1-1) Utopia Sprawl x Expel the Interlopers
Esper Flicker (2-1) Ephemerate x Soulherder
Golgari Ramp (2-1) Fanatic of Rhonas x Sire of Seven Deaths
Gruul Pump (2-2) Heartfire Hero x Monstrous Rage
Golgari Midrange (1-1-1) Compy Swarm x Unearth
Izzet Nonsense (0-3) Flames of Anor x Displacer Kitten

Draft: 27/03/26
Izzet Wizards (2-0-1) Harmonic Prodigy x Flames of Anor
Selesnya Midrange (2-0-1) Warden of the Grove x Sanguine Evangelist
Selesnya Lifegain (1-1-1) Haliya, Guided by Light x Trudge Garden
Jund Aristocrats (1-1) Wight of the Reliquary x Marionette Apprentice
Sultai Pile (1-1) Primeval Titan x Berserk
Dimir Control (0-2-1) Reef Worm x Three Steps Ahead
Boros Aggro (0-2) Voice of Victory x Nova Hellkite

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All the decks pictured here I would consider "successful" and examples of the kinds of plans that work in this cube. Cards in sparkly inner sleeves are from the rare section (aka cube occasionals).
 
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