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collections_bookmark Part of Outlaws of Thunder Junction
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)
1%
Decklist Inclusion
Buy on TCGplayer
Times Brought
166
Decks Running
101
In Decks
667
Decklist Inclusion
1%
Format
Multiplayer 1v1

Final zone distribution

37 instances
35.1%
Battlefield
27.0%
Graveyard
10.8%
Exile
27.0%
Hand

Commanders that played this card

in tracked games

The "good card" funnel

166 brought · 91 players
Brought to game
166
Ever drawn
34
Reached battlefield
20
Still on board at game end
13

Once cast, 65% 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.

≥ -18.3pp

Players who cast this card win 17% of the time (n=19) , vs 19% when it never left the library (n=113).

Observed gap -1.5pp; 95% confidence interval -18.3pp to +15.3pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.

First-cast turn

n=20
0%
T1
0%
T2
15%
T3
5%
T4
20%
T5
55%
T6-9
5%
T10+
Median 6.0 P25 5 · P75 7 · max 11
On curve 15% (3 / 20 cast on T3)
20 of 100 times cast 20%

Full analysis unlocks as more games are tracked. Stats refresh nightly.

Frequently Asked

Why isn't there more data on this card?
Playgroup Live collects per-card gameplay data from real Commander games. Basic play counts appear once a card reaches 100 tracked games; the full deep-dive page needs a larger, more diverse sample (at least 300 tracked games played by 10 or more different pilots, with no single pilot over 40 percent of the copies). 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 640,000+ Commander games overall, and this card-level play data comes from the Playgroup Live subset of that corpus.