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Yahenni, Undying Partisan

Legendary Creature — Aetherborn Vampire

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.

CMC
3
Mana cost
{2}{B}
Color identity
B
Rarity
rare
Set
Aether Revolt
Price
$0.80
EDHREC rank
#1004
Buy on TCGplayer
Yahenni, Undying Partisan card art
Yahenni, Undying Partisan is a free sacrifice outlet that grows and protects itself — the combination of indestructibility on demand and automatic +1/+1 counters from your opponents' dying creatures makes it one of the most resilient three-drops in black. The cost is narrow color identity and a body that does nothing without a supporting sacrifice or death-trigger package, but any deck built around those mechanics pays that price gladly. Commanders like Clavileño, First of the Blessed use it as a cornerstone, and even outside tribal contexts Luminous Broodmoth loops lean on its free activation to keep the engine running.

Best Commanders

Commanders with the highest synergy

01
Clavileño, First of the Blessed

Clavileño, First of the Blessed

75.0% of decks · synergy 0.65

Clavileño, First of the Blessed wants to turn Vampires into draw engines by sacrificing them when opponents' creatures die, and Yahenni, Undying Partisan is the free, indestructible outlet that makes that loop safe to run — sac a Vampire to Yahenni, trigger Clavileño, draw a card, and do it again the moment combat goes wide.

02
Cleopatra, Exiled Pharaoh

Cleopatra, Exiled Pharaoh

66.1% of decks · synergy 0.63

Cleopatra, Exiled Pharaoh rewards accumulating treasures and draining opponents through death triggers, and Yahenni, Undying Partisan slots in as a no-mana-cost sacrifice outlet that grows larger every time the death-trigger engine fires.

03
Massacre Girl

Massacre Girl

56.3% of decks · synergy 0.50

Massacre Girl's board wipe chain kills everything in sequence, and Yahenni, Undying Partisan survives the whole cascade because its indestructibility can be activated in response — then it collects a counter for every creature that dies in the chain.

04
Marchesa, the Black Rose

Marchesa, the Black Rose

48.6% of decks · synergy 0.47

Marchesa, the Black Rose returns creatures from the graveyard when they have a +1/+1 counter, and Yahenni, Undying Partisan keeps Marchesa herself safe while accruing the counters that fuel her recursion loop.

05
Elenda, the Dusk Rose

Elenda, the Dusk Rose

52.5% of decks · synergy 0.43

Elenda, the Dusk Rose grows when other creatures die and creates tokens when she dies herself, so Yahenni, Undying Partisan serves double duty — sacrificing creatures to grow Elenda, and offering a free outlet to cash Elenda in at the right moment for a flood of tokens.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Commander is where Yahenni, Undying Partisan earns its reputation — the free sacrifice outlet at three mana is a rare effect in black, and indestructibility on demand means targeted removal almost never sticks. In Modern and Pioneer it sees fringe play in aristocrats shells, where the combination of cheap cost, built-in protection, and no activation cost makes it a credible threat, though it competes with more redundant options in those formats. Legacy and Vintage have access to faster engines and rarely need a three-mana creature that requires board state to snowball, so Yahenni stays on the shelf there. It's not legal in Standard or Pauper, but those exclusions don't diminish its Commander ceiling.

Key Combos

Combo lines featuring this card

4,933 decks
Pitiless PlundererGravecrawlerYahenni, Undying Partisan

Pitiless PlundererGravecrawlerYahenni, Undying Partisan

Infinite ETB; Infinite LTB; Infinite sacrifice triggers; Infinite storm count; Infinite Treasure tokens; Infinite colored mana; Infinite colorless mana; Infinite creature tokens; Infinite death triggers

View on Commander Spellbook ↗

Price Context

Current price

$0.80 bulk tier

At $0.80, Yahenni, Undying Partisan is bulk by price but not by impact — widespread reprinting has kept the cost low despite consistent demand across death-trigger and aristocrats builds. It's a safe pickup at this price; the ceiling is modest, but you're unlikely to find it cheaper than this.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.