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Isshin, Two Heavens as One

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Isshin, Two Heavens as One

At a glance

  • Commander: Isshin, Two Heavens as One
  • Colors: Mardu
  • Archetype: Mardu attack-trigger tokens / aggro-value
  • Power tier: mid-high

Cards

Commander

Isshin, Two Heavens as One — Legendary Creature — Human Samurai (3/3)

If a creature attacking causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

That’s the whole engine, and it’s exactly what the scout described — Isshin doubles every attack-triggered ability you control. Mobilize makes two tokens instead of one. A “whenever this attacks, each opponent loses 1 life” drain fires twice. Myriad copies twice. Even raid “if you attacked this turn” enablers are turned on the moment any creature swings. commander_oracle_ok = true — built around the printed text.

Gameplan

Proactive Mardu aggro-value. Curve out cheap evasive/attack-trigger creatures, get Isshin down on turn 3-4, then attack every turn and let the doublers snowball. The board widens itself (doubled mobilize = a fresh pair of Warriors per swing) while the drain creatures bleed the table out and the Treasure/draw triggers keep the gas flowing. You are not durdling — you’re attacking, doubling, and converting combat into both board and life-total advantage.

Key synergy lines

  • Doubled mobilize swarm: Shock Brigade / Nightblade Brigade / Dragonback Lancer / Reigning Victor each make two tapped-and-attacking 1/1 Warriors per attack under Isshin. Four mobilizers swinging = eight extra bodies hitting that turn, and they themselves can be doubled by anthem effects.
  • Doubled drains as a clock: Pulse Tracker, Sanguine Syphoner, Agate-Blade Assassin, Thornbow Archer, Delta Bloodflies, Infectious Horror, Silent Skimmer — each “whenever this attacks, lose life” fires twice. A board of four drainers under Isshin is ~8-16 life off the table per combat before damage.
  • Doubled myriad: Wyrm’s Crossing Patrol, Genasi Enforcers, Tabaxi Toucaneers, Tiamat’s Fanatics make a token copy attacking each other opponent — doubled, that’s two copies per opponent. Absurd reach in a pod.
  • Doubled draw / Treasure: Audacious Thief and Moonglove Extractor draw twice; Hoard Robber and Belligerent Guest make two Treasures on damage (ramp + fixing); Heartless Pillage with raid online makes a Treasure too.
  • Mentor doubled: Blade Instructor, Wojek Bodyguard, Hammer Dropper, Parhelion Patrol drop two +1/+1 counters per attack, growing the swarm fast.
  • Raid enablers: Mardu Skullhunter / Mardu Hordechief / Academy Raider / Gorehorn Raider / Firecannon Blast / Heartless Pillage all want “you attacked this turn,” which is trivially true on the turns you’re swinging with the team.

Role breakdown (counts reflect the actual list)

  • Lands: 36 — 3 guildgates + Boros Garrison + 7 enters-tapped duals (Scoured Barrens, Bloodfell Caves, Wind-Scarred Crag, Cinder Barrens, Forsaken Sanctuary, Sunlit Marsh, Sacred Peaks) + 7 fixers (Command Tower, Path of Ancestry, Rupture Spire, Transguild Promenade, Painted Bluffs, Shimmering Grotto, Command Bridge) + 17 basics (6/6/5).
  • Ramp / fixing rocks: 8 — Arcane Signet, Commander’s Sphere, Manalith, Prophetic Prism, Prismatic Lens, Mind Stone, Wayfarer’s Bauble, plus Mardu Warshrieker (raid ritual adding RWB). Treasure-makers (Hoard Robber, Belligerent Guest, Heartless Pillage) add extra fixing on top.
  • Card advantage: 9 — Sign in Blood, Read the Bones, Night’s Whisper, Costly Plunder, Thraben Inspector, Audacious Thief, Moonglove Extractor, Hoard Robber, Mind Stone (cash-in) / Prophetic Prism (cantrip rock).
  • Spot removal / interaction: 11 — Diabolic Edict, Cruel Edict, Geth’s Verdict, Fleshbag Marauder, Terminate, Murder, Bake into a Pie, Deadly Derision, Guiding Bolt, Reave Soul, Feed the Swarm. (Firecannon Blast and Skirk Commando add more burn-to-creature reach.)
  • Mass / pseudo-wipe: 0 dedicated boardwipes by design — see weaknesses. The edict cluster (4 sac-based pieces) is the pseudo-removal package since my own board is wide and dodges most symmetric 1-damage sweepers anyway.
  • Payoffs / enablers: the rest — mobilize, drains, myriad, battalion, mentor, raid creatures executing the doubled-attack plan.

Manabase / fixing note

WBR has no green, so fixing leans on 11 duals/gates + 7 any-color fixer lands + 8 rocks/ramp + Treasure generators — roughly 26 fixing sources, comfortably past the ~17-19 target so the triple-pip Isshin and color-hungry spells stay castable.

Win condition

Doubled combat triggers as inevitability: a widening swarm of doubled mobilize/myriad tokens plus stacked attack-trigger life-drains (Pulse Tracker, Sanguine Syphoner, Infectious Horror, Silent Skimmer, et al.) that, multiplied by Isshin, bleed the table out fast even through chump blocks — combat damage finishes whoever’s left.

Pilot notes

  • Sequence Isshin before attacking the turn you want the doublers live; he has no haste, so deploy turn 3, swing turn 4.
  • Mobilize/myriad tokens are tapped-and-attacking — they don’t help you block, so respect the crack-back; pick your aggressor.
  • Spend edicts on hexproof/indestructible threats and protected commanders where targeted removal fails.
  • Treasures from Hoard Robber/Belligerent Guest double as your acceleration into the heavier black removal — don’t reflexively crack them; hold for a color you’re short on.
  • Against go-wide mirrors, Firecannon Blast (raid → 6 damage) and your edict suite are your catch-up buttons.

Weaknesses

  • No true board wipe. WBR commons offer mostly 1-damage symmetric sweepers that would hit my own tokens; I deliberately skipped them and rely on the 4-edict package + spot removal + racing. A resilient bigger board can out-grind me.
  • Token-swarm hate (a single opposing sweeper) sets me back hard since much of my value is tokens.
  • Isshin is a removal magnet — without him the deck is a fair aggro pile; mulligan toward a curve that functions pre-commander, and rebuild patiently rather than over-committing into open removal.

Decklist

⬇ Download as .txt — paste into Moxfield, Archidekt, or MTG Arena.

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