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Thassa's Oracle

· Creature — Merfolk Wizard · Theros Beyond Death (THB)

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Times Brought

1470

Decks Running

713

In Decks

—

Decklist Inclusion

—

Format

Multiplayer 1v1

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

Card text

Thassa's Oracle

Creature — Merfolk Wizard

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U}

in the mana costs of permanents you control counts toward your devotion to blue.)

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Theros Beyond Death (THB) · Rare · Illustrated by Jesper Ejsing

Final zone distribution

490 instances

1.6%

Library

44.7%

Battlefield

11.6%

Graveyard

9.0%

Exile

Commanders that played this card

in tracked games

1 Yuriko, the Tiger's Shadow 36 decks
2 Rograkh, Son of Rohgahh 25 decks
3 Y'shtola, Night's Blessed 22 decks
4 Tymna the Weaver 19 decks
5 Kefka, Court Mage // Kefka, Ruler of Ruin 17 decks
6 Kraum, Ludevic's Opus 17 decks
7 Marneus Calgar 17 decks
8 Urza, Lord High Artificer 17 decks
9 Muldrotha, the Gravetide 15 decks
10 Nekusar, the Mindrazer 14 decks

The "good card" funnel

1473 brought · 580 players

Brought to game

1473

Ever drawn

431

Reached battlefield

255

Still on board at game end

219

Once cast, 86% 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.

≥ +13.2pp

Players who cast this card win 37% of the time (n=214) , vs 21% when it never left the library (n=702).

When players drew this card but left it in hand, they won 23% (n=132).

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 +16.7pp; 95% confidence interval +13.2pp to +20.1pp. Correlational, not causal: powerful payoffs also get cast more often in games you are already winning.

First-cast turn

n=255

14%

42%

T6-9

15%

T10+

Median 6 P25 4 · P75 8 · max 16

On curve 8% (14 / 255 cast on T2) Cast same turn as drawn 43%

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 750,000+ Commander games overall, and this card-level play data comes from the Playgroup Live seats playing virtual cards, a subset of that corpus.