Legendary Creature — Demon Berserker

Kardur, Doomscourge

Mana value4EDHREC#982

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The Commander

When Kardur enters, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able.

Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

Guide

Gameplan

Force your opponents' creatures to attack each other every combat, then profit as those attackers die—each death drains every opponent for 1 and gains you 1. You play a goad/pillowfort game, controlling the board with cheap removal and edicts while pinging the table to death, recasting Kardur to re-apply the forced-attack effect when needed.

Strengths

Turns opponents' own boards into your win condition via incidental drain
Goad and forced-attack effects synergize for massive life swings
Recurring Kardur from the command zone re-applies the attack-forcing effect
Plays politics naturally by pointing aggression away from you
Low mana value (4) makes him cheap and resilient to repeated casts

Weaknesses

Drain is slow and grindy—can be outraced by faster combo decks
Relies on opponents having creatures to force into combat
Vulnerable to board wipes that erase your goad targets and your own setup
Effect only lasts until your next turn, so timing recasts matters
Limited card advantage engines in base BR build

Key Cards

Disrupt Decorum — Goads every opponent's creatures at once for a huge combat that triggers Kardur's drain repeatedly.
Grand Melee — Forces all creatures to attack each combat, creating constant Kardur death triggers.
Bloodthirsty Blade — Repeatable single-target goad that keeps pointing threats at your enemies turn after turn.
Marisi, Breaker of the Coil — Goads creatures on combat damage, but better—reliable goad sources like this fuel the engine (use BR equivalents).
Master of Cruelties — A devastating attacker whose forced-combat effects punish goaded opponents.
Disorder in the Court — Goads a creature each opponent controls, multiplying forced attacks and death triggers.

Upgrade Path

Add more goad enablers and a few Mass-attack enchantments (Grand Melee, Curse of the Nightly Hunt) to maximize death triggers, plus drain stackers like Blood Artist and Zulaport Cutthroat. Improve consistency with strong BR ramp (Arcane Signet, Fellwar Stone) and card draw (Sign in Blood, Night's Whisper), and consider Bloodchief Ascension or Sanguine Bond to convert the steady life loss into a faster kill.

Core Cards

From 1 Mythicwyrm deck.

Win Conditions

▸Grinding the table down via Kardur's 1-life-each-opponent drain across many forced combats
▸Symmetrical 'all creatures attack' enchantments turning every combat into mass drain
▸Backup reach from group-slug cards like Bitter Ordeal, Bloodchief Ascension, or burn finishers

Archetypes

Goad / Forced Combat — Kardur weaponizes opponents' creatures by forcing attacks and draining the table as those attackers die.
Group Slug / Pillowfort — Incidental life loss for every opponent each combat plus deterrents that point aggression elsewhere.
Aristocrats-lite — Capitalizes on creatures dying in combat, pairing well with sacrifice and death-payoff effects.