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Mari, the Killing Quill card art
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Mari, the Killing Quill

{1} {B} {B} · Legendary Creature — Vampire Assassin · Outlaws of Thunder Junction Commander (OTC)
Times Brought
173
Decks Running
80
In Decks
Decklist Inclusion
Format

Showing 1v1 (duel) data only. 1v1 is a different format from multiplayer Commander, so these numbers are not comparable.

Card text
Mari, the Killing Quill card

Mari, the Killing Quill

{1} {B} {B}
Legendary Creature — Vampire Assassin
Whenever a creature an opponent controls dies, exile it with a hit counter on it. Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."
3 / 2
Outlaws of Thunder Junction Commander (OTC) · Rare · Illustrated by Rob Rey

Final zone distribution

34 instances
41.2%
Battlefield
29.4%
Graveyard
11.8%
Exile
14.7%
Hand

Commanders that played this card

in tracked games

The "good card" funnel

173 brought · 76 players
Brought to game
173
Ever drawn
28
Reached battlefield
22
Still on board at game end
14

Once cast, 64% of this card is still on the battlefield at game end. This reflects how often it survives removal, not just whether it's a permanent.

≥ -12.4pp

Players who cast this card win 19% of the time (n=18) , vs 19% when it never left the library (n=111).

Read this as correlation, not as the card's contribution. Casting a card means you lived long enough to cast it, so this gap widens with mana value across every card we track.

Observed gap +0.1pp; 95% confidence interval -12.4pp to +12.5pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.

First-cast turn

n=22
5%
T1
5%
T2
18%
T3
32%
T4
0%
T5
23%
T6-9
18%
T10+
Median 4.0 P25 3 · P75 8 · max 16
On curve 27% (4 / 22 cast on T3) Cast same turn as drawn 38%

Frequently Asked

Why isn't there more data on this card?
Playgroup Live collects per-card gameplay data from real Commander games. Play counts appear once a card reaches 100 tracked games, and the full charts need a sample of at least 25 observed games that is not dominated by a single pilot. Until this card clears those bars you're seeing only the basic counts. Stats refresh nightly.
How is Playgroup Live card data collected?
Players using Playgroup Live import their decklists before a game and log card actions as they play. Each cast, zone change, and resolution is recorded as a real game event. Stats on this site are computed from those events, not from decklist scrapes or theorycrafting. Playgroup has recorded 670,000+ Commander games overall, and this card-level play data comes from the Playgroup Live subset of that corpus.