Live Play Data
Mnemonic Betrayal
1%
Live Inclusion
Times Brought
237
Decks Running
96
Median Cast Turn
—
Drawn → Played
33%
Format
First-cast turn
n=18Not enough observed casts yet to show a reliable distribution.
The "good card" funnel
237 brought · 112 playersBrought to game
237
Ever drawn
54
Reached battlefield
18
Still on board at game end
5
≥ +5.6pp
Players who cast this card win 50% of the time (n=17) , vs 20% when it never left the library (n=123).
When players drew this card but left it in hand, they won 20% (n=32).
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 +29.9pp; 95% confidence interval +5.6pp to +54.2pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.
Final zone distribution
70 instances2.9%
Library
7.1%
Battlefield
30.0%
Graveyard
34.3%
Exile
Commanders that played this card
in tracked games-
1
Kefka, Court Mage // Kefka, Ruler of Ruin
14 decks
-
2
Tymna the Weaver
13 decks
-
3
Y'shtola, Night's Blessed
9 decks
-
4
Rograkh, Son of Rohgahh
8 decks
-
5
Kraum, Ludevic's Opus
7 decks
-
6
Umbris, Fear Manifest
7 decks
-
7
Don Andres, the Renegade
5 decks
-
8
Glarb, Calamity's Augur
5 decks
-
9
Homer, the Hermit
4 decks
-
10
Tasha, the Witch Queen
4 decks
Card text
Mnemonic Betrayal
Sorcery
Exile all opponents' graveyards. You may cast spells from among those cards this turn, and mana of any type can be spent to cast them. At the beginning of the next end step, if any of those cards remain exiled, return them to their owners' graveyards.
Exile Mnemonic Betrayal.
Guilds of Ravnica (GRN)
·
Mythic
·
Illustrated by Clint Cearley
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.