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Yahenni, Undying Partisan
BBlackLegendary Creature — Aetherborn Vampire

Yahenni, Undying Partisan

Mana value3Rank#1,004
BuildCard details

The Commander

Haste

Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni.

Sacrifice another creature: Yahenni gains indestructible until end of turn.

Guide

Gameplan

Yahenni is a mono-black aristocrats commander that grows off opponents' creatures dying while functioning as a free sacrifice outlet that protects itself. You build a board of token generators and death-trigger payoffs, sacrifice creatures repeatedly to drain the table and feed value, and either grow Yahenni into a lethal evasive threat or assemble a sacrifice combo to win.

Strengths

  • Free, repeatable sac outlet on the command zone with built-in indestructibility for protection
  • Haste lets it pressure or block immediately and dodge sorcery-speed removal via its own ability
  • Mono-black gives access to elite tutors, recursion, and ramp consistency
  • Scales naturally in grindy multiplayer games and during board wipes

Weaknesses

  • Only one color means no access to enchantment removal and limited flexibility
  • Yahenni's own counters do nothing without evasion or trample to close games
  • Relies on a steady supply of creatures to sacrifice; runs dry against efficient creature removal
  • Vulnerable to exile-based removal and graveyard hate that shuts down recursion

Key Cards

  • Pitiless Plunderer — Turns every sacrifice into Treasure, fueling explosive mana and combos with Yahenni's free outlet.
  • Blood Artist — Converts each death from sacrificing into incremental drain that becomes a primary win condition.
  • Bastion of Remembrance — A non-creature Blood Artist effect that survives wipes and turns aristocrats loops lethal.
  • Gravecrawler — Recursive sacrifice fodder that loops with Phyrexian Altar and a drain payoff for an instant kill.
  • Skullclamp — The best card-draw engine for sacrifice decks, refilling your hand off dying tokens.
  • Dictate of Erebos — Punishes the table every time you sacrifice, stripping opponents' boards and feeding Yahenni's counters.

Upgrade Path

Add fast mana and tutors like Dark Ritual, Demonic Tutor, Vampiric Tutor, and Imperial Seal to assemble combos faster and more consistently. Tighten the deck around a compact infinite loop (Gravecrawler + Phyrexian Altar + a Blood Artist payoff) so you have a deterministic kill, and add interaction such as Dauthi Voidwalker and reusable removal. Improve the mana base with Cabal Coffers, Nykthos, and Urborg for explosive sacrifice-fueled turns.

Core Cards

The most-played cards for this commander, built from aggregated deck data (the Mythic Graph). Build public decks to seed it.

Win Conditions

  • ▸Drain the table with Blood Artist/Zulaport Cutthroat effects via repeated sacrifices
  • ▸Infinite sacrifice loop (e.g., Gravecrawler + Phyrexian Altar + Bastion of Remembrance) for instant kill
  • ▸Grow Yahenni huge and connect with evasion like Whispersilk Cloak or trample
  • ▸Mass sacrifice with Dictate of Erebos / Grave Pact to clear blockers and win combat

Archetypes

  • Aristocrats — Yahenni is a free sac outlet that pairs with Blood Artist effects to drain the table on every death.
  • Tokens — Token generators provide endless sacrifice fodder to feed the outlet and death triggers.
  • Combo — Free sacrifice plus Pitiless Plunderer or Phyrexian Altar and a recursive creature enables infinite loops.
  • Reanimator — Mono-black recursion repeatedly returns creatures to sacrifice for value and triggers.

Combos

  • Luminous Broodmoth + Yahenni, Undying Partisan

    → Infinite LTB, Infinite ETB, Infinite sacrifice triggers

  • Cathars' Crusade + Yahenni, Undying Partisan

    → Infinite +1/+1 counters on most creatures you control, Infinite ETB, Infinite LTB

  • Pitiless Plunderer + Reassembling Skeleton + Teysa Karlov + Yahenni, Undying Partisan

    → Infinite LTB, Infinite ETB, Infinite sacrifice triggers

  • Pitiless Plunderer + Reassembling Skeleton + Drivnod, Carnage Dominus + Yahenni, Undying Partisan

    → Infinite LTB, Infinite ETB, Infinite sacrifice triggers

  • Pitiless Plunderer + Gravecrawler + Yahenni, Undying Partisan

    → Infinite death triggers, Infinite ETB, Infinite LTB

Combos via Commander Spellbook.

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