Live Play Data

Altar of the Brood

· Artifact · Khans of Tarkir (KTK)

Live Inclusion

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Times Brought

417

Decks Running

205

Median Cast Turn

Drawn → Played

87%

Format

Multiplayer 1v1

First-cast turn

n=75

32%

12%

11%

27%

T6-9

T10+

Median 3 P25 1 · P75 6 · max 15

On curve 32% (24 / 75 cast on T1) Cast same turn as drawn 82%

The "good card" funnel

417 brought · 185 players

Brought to game

417

Ever drawn

Reached battlefield

Still on board at game end

Once cast, 63% 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.

≥ -11.5pp

Players who cast this card win 24% of the time (n=68) , vs 25% when it never left the library (n=253).

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 -0.7pp; 95% confidence interval -11.5pp to +10.0pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.

Final zone distribution

99 instances

5.1%

Library

47.5%

Battlefield

29.3%

Graveyard

12.1%

Exile

Commanders that played this card

in tracked games

Card text

Altar of the Brood

Artifact

Whenever another permanent you control enters, each opponent mills a card.

Khans of Tarkir (KTK) · Rare · Illustrated by Erica Yang

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 680,000+ Commander games overall, and this card-level play data comes from the Playgroup Live subset of that corpus.