Massacre Girl
Legendary Creature — Human Assassin
Menace
When Massacre Girl enters, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.
- CMC
- 5
- Mana cost
- Color identity
- B
- Rarity
- rare
- Set
- War of the Spark
- Price
- $0.47
- EDHREC rank
- #1565
Massacre Girl enters and immediately shrinks every creature on the board by -1/-1, then rides the death triggers into a chain wipe that clears everything with one toughness — often everything, period. The five-mana cost is the honest tax for a one-sided reset, and her legendary reprint as Massacre Girl, Known Killer only proves how much the design space rewards her.
Best Commanders
Commanders with the highest synergy
Massacre Girl, Known Killer
Massacre Girl, Known Killer turns every creature death into a -1/-1 pulse, so casting Massacre Girl off the command zone primes a board of weakened creatures that the 5-drop then clears wholesale — it's the same character, different axis, working in tandem.
Sephiroth, Planet's Heir
Sephiroth, Planet's Heir accumulates counters through combat damage and creature deaths, and Massacre Girl delivers a board wipe that resets opponents while feeding Sephiroth's progression without sacrificing his own staying power.
Grismold, the Dreadsower
Grismold, the Dreadsower hands plant tokens to opponents each upkeep, populating the board with exactly the low-toughness creatures that Massacre Girl's enter trigger wipes most efficiently.
Ramses, Assassin Lord
Ramses, Assassin Lord cares about Assassins dealing combat damage and opponents losing creatures, so Massacre Girl clears blockers while her death chain satisfies both halves of Ramses's game plan.
Etrata, Deadly Fugitive
Etrata, Deadly Fugitive builds around Assassins and creature removal triggers, and Massacre Girl functions as a repeatable mass-removal event that clears paths for the aggressive Assassin package Etrata demands.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Massacre Girl does her best work — multiplayer boards are consistently cluttered with mana dorks, tokens, and utility creatures that die to a single -1/-1 pulse, letting the chain reaction escalate into a full wipe before the turn ends. In Legacy and Vintage she's legal but too slow and too conditional; five mana for a creature-dependent wipe can't compete with Toxic Deluge or Wrath of God on raw efficiency. Modern and Pioneer are similarly unkind — those formats move fast enough that Massacre Girl often arrives too late and hits too little when opponents are running larger threats. Oathbreaker offers the same token-heavy, wide-board environment where she shines, just at a smaller table.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.47 bulk tier
At $0.47, Massacre Girl is deep bulk — a near-free pickup that punches well above its price point for what it does on the board. Bulk rares with niche-but-real Commander demand tend to sit in this range indefinitely, so there's no urgency either way; buy it when you need it.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.