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Sengir, the Dark Baron

Legendary Creature — Vampire Noble

Flying
Whenever another creature dies, put two +1/+1 counters on Sengir.
Whenever another player loses the game, you gain life equal to that player's life total as the turn began.
Partner (You can have two commanders if both have partner.)

CMC
6
Mana cost
{4}{B}{B}
Color identity
B
Rarity
rare
Set
Magic Online Promos
Price
—
EDHREC rank
#10520
Buy on TCGplayer
Sengir, the Dark Baron card art
Sengir, the Dark Baron snowballs fast — every creature that dies while it's on the battlefield, yours or anyone else's, stacks a +1/+1 counter, turning one board wipe into a 10/10 threat by the time the dust settles. The cost is a six-mana investment that does nothing until something else dies, so you need a board state or a plan to manufacture deaths, and Animation Module can turn each counter into a fresh token to sacrifice for more counters.

Best Commanders

Commanders with the highest synergy

01
Massacre Girl

Massacre Girl

38.1% of decks · synergy 0.37

Massacre Girl's enter-the-battlefield wipe creates a cascade of deaths across every player's board, and Sengir, the Dark Baron sits in the 99 to convert that cascade into a massive counter-laden threat that survives the cleanup — 38% of Massacre Girl decks run it for exactly this engine.

02
Phage the Untouchable

Phage the Untouchable

11.1% of decks · synergy 0.10

Phage the Untouchable decks lean into mono-black devotion and creature toolboxes, and Sengir, the Dark Baron earns its slot as a resilient late-game finisher that scales off the attrition and sacrifice effects already baked into the strategy.

Format Analysis

Where it lives, where it can’t

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

Commander is where Sengir, the Dark Baron lives — multiplayer tables generate constant creature deaths, and a six-mana legendary vampire that grows on every death is tailor-made for 100-card singleton. In Legacy and Vintage, it's technically legal but never sees play; six mana for a creature that needs setup time is far too slow for formats where the game is often decided by turn two or three. Oathbreaker is the one other 60-card-adjacent format worth mentioning, where it can serve as a signature spell target or finisher, though the compressed game length mutes its growth ceiling considerably.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Current pricing data for Sengir, the Dark Baron isn't available in this snapshot, so check Scryfall or your preferred retailer for an up-to-date number. As a legendary creature with niche but genuine demand in Massacre Girl builds, it tends to sit in the affordable bulk-rare range — worth picking up if you're building around death triggers rather than waiting for a reprint.

Explore

Sources

Mentioned

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