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Combo Codex
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Check requirements and failure points before adding a combo. A package is only good when the shell supports it.

Combo explorer

Win packages, requirements, outputs, and failure points.

Built around the Bible’s distinction between explosive B4 value turns and deterministic B5 pressure lines.

Thousand-Year Storm engine

47.8%

Explosive B4 engine

Needs
  • Thousand-Year Storm resolved
  • A stocked hand or graveyard recursion
  • Enough mana to continue after the first spell
  • Preferably Jeska's Will or rituals to convert value into velocity
Outputs
  • Huge copy stack
  • Mana/cantrip avalanche
  • Often lethal with Grapeshot, Aetherflux, pingers, or Mizzix's Mastery
Fails to
  • Countermagic on Thousand-Year Storm
  • Rule of Law effects
  • Running out of mana before the copied spells matter

Very common and very powerful, but not automatically infinite.

Aetherflux storm finish

37.4%

Fair-to-lethal storm payoff

Needs
  • Aetherflux Reservoir
  • High spell count turn
  • Veyran doubles Reservoir triggers for instant/sorcery casts
Outputs
  • Large life buffer
  • 50 damage shots once above 50 life
Fails to
  • Artifact removal
  • Not enough cast spells
  • Copies that are not cast do not increase Aetherflux count

Copied spells usually are not cast, so do not count them unless a card specifically says to cast the copy.

Breach Brain Freeze

22.2%

B5 compact engine

Needs
  • Underworld Breach
  • Brain Freeze
  • Mana or rituals
  • Enough graveyard density to escape repeatedly
Outputs
  • Self-mill into repeated escape lines
  • Compact win pressure
  • Can pivot into Grapeshot/Aetherflux or mill finish
Fails to
  • Graveyard hate
  • Rule of Law effects
  • Countermagic on Breach
  • Not enough cards in graveyard

The cleanest B5 twist package. LED upgrades the ceiling but changes the table conversation.

Reiterate Mana Geyser

15.7%

Deterministic when threshold is met

Needs
  • Mana Geyser producing enough red mana
  • Reiterate with buyback
  • A table with enough tapped lands
  • A payoff or mana sink
Outputs
  • Infinite or very large red mana
  • Infinite cast/copy triggers if loop is deterministic
  • Lethal with pingers, Grapeshot, X-spells, Chandra's Ignition setup
Fails to
  • Insufficient tapped lands
  • Countermagic
  • Rule of Law effects

Treat as a real combo when the mana threshold is met.

Dualcaster Twinflame

14.3%

Deterministic creature-token combo

Needs
  • Dualcaster Mage
  • Twinflame or Heat Shimmer effect
  • A legal creature target
  • Correct timing while Twinflame is on stack
Outputs
  • Infinite hasty Dualcaster Mage tokens
  • Combat lethal if attackers can connect
Fails to
  • Creature removal in response
  • Countermagic
  • Fog effects
  • No legal target

Not a fair B3 line; disclose at B4/B5 tables.

Dramatic Scepter core

13.8%

Deterministic with mana rocks/payoff

Needs
  • Isochron Scepter imprinted with Dramatic Reversal
  • Nonland mana sources producing 2+ mana
  • A payoff if mana-neutral
Outputs
  • At 2 nonland mana: infinite triggers but mana-neutral
  • At 3+ nonland mana: infinite mana and triggers
Fails to
  • Artifact removal
  • Null Rod/Collector Ouphe effects
  • Countermagic
  • No payoff

The exact mana math matters. 2 mana is not the same as infinite mana.

Ral + copy loop

13.3%

Copy loop finisher

Needs
  • Ral, Storm Conduit
  • Expansion // Explosion or equivalent copy loop
  • A copied spell line that loops
Outputs
  • Ral damage triggers kill opponents
Fails to
  • Planeswalker removal
  • Countermagic
  • No legal copy target

A compact package but less central than Breach or Thousand-Year Storm.

Curiosity effects package

10.9%

Niv-Mizzet side win

Needs
  • Niv-Mizzet, Parun
  • Curiosity, Ophidian Eye, or Tandem Lookout
  • A draw or damage trigger to start loop
Outputs
  • Deterministic draw-damage loop
  • Usually kills table if not interrupted
Fails to
  • Creature removal
  • Countermagic
  • No Curiosity effect
  • Decking yourself without a stop condition

Veyran does not generally double Niv triggers. This is a separate package.

Storm-Kiln buyback Haze

10.5%

Storm/buyback loop

Needs
  • Storm-Kiln Artist
  • Haze of Rage with buyback
  • Veyran or enough trigger multiplication
  • Existing storm/copy/mana support
Outputs
  • Treasures, storm count, huge creature power
  • Chandra's Ignition or combat lethal
Fails to
  • Creature removal
  • Not enough mana or storm count
  • Countermagic

Not automatically infinite from zero; it needs support.

Breach cEDH compact

7.8%

High-pressure B5/Rule 0-adjacent module

Needs
  • Underworld Breach
  • Brain Freeze
  • Lion's Eye Diamond or equivalent mana density
  • Graveyard density
  • Protection
Outputs
  • Compact deterministic pressure
  • Fast kill potential
Fails to
  • Graveyard hate
  • Rule of Law
  • Countermagic
  • Low graveyard count

Disclose power level clearly.

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