Live Play Data

Swarmyard Massacre

· Sorcery · Bloomburrow Commander (BLC)

Live Inclusion

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Times Brought

603

Decks Running

267

Median Cast Turn

Drawn → Played

59%

Format

Multiplayer 1v1

First-cast turn

n=71

13%

54%

T6-9

28%

T10+

Median 7 P25 6 · P75 10 · max 15

On curve 18% (9 / 71 cast on T5) Cast same turn as drawn 40%

The "good card" funnel

603 brought · 244 players

Brought to game

603

Ever drawn

121

Reached battlefield

Still on board at game end

≥ -8.2pp

Players who cast this card win 28% of the time (n=66) , vs 26% when it never left the library (n=398).

When players drew this card but left it in hand, they won 23% (n=45).

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 +2.3pp; 95% confidence interval -8.2pp to +12.7pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.

Final zone distribution

145 instances

0.7%

Library

2.8%

Battlefield

59.3%

Graveyard

5.5%

Exile

Commanders that played this card

in tracked games

1 Hazel of the Rootbloom 62 decks
2 Chatterfang, Squirrel General 48 decks
3 Marrow-Gnawer 24 decks
4 Vren, the Relentless 23 decks
5 Shelob, Child of Ungoliant 17 decks
6 Cosmic Spider-Man 15 decks
7 Camellia, the Seedmiser 14 decks
8 Rat King, Verminister 13 decks
9 Wick, the Whorled Mind 12 decks
10 Grist, the Hunger Tide 7 decks

Card text

Swarmyard Massacre

Sorcery

Create two 1/1 green Squirrel creature tokens. Then each creature that isn't an Insect, Rat, Spider, or Squirrel gets -1/-1 until end of turn for each creature you control that's an Insect, Rat, Spider, or Squirrel.

Bloomburrow Commander (BLC) · Rare · Illustrated by Michael Phillippi

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 690,000+ Commander games overall, and this card-level play data comes from the Playgroup Live subset of that corpus.