Thassa's Oracle
Tracked across real Commander games played through TurnZero HQ.
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What it does
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.)
Combos with Thassa's Oracle
The lines this card is part of, what it needs alongside it, and what the cards do together. An infinite result is the one that moves a deck's bracket.
- Leveler Infinite
- Exile your library
- Win the game
- Mirror of Fate Infinite
- Exile your library
- Win the game
- Sacred Guide Infinite
- Win the game
- Thought Lash Infinite
- Win the game
- Tainted Pact Infinite
- Win the game
- Doomsday Infinite
- Win the game
- Paradigm Shift Infinite
- Exile your library
- Win the game
- Dance with Calamity Infinite
- Exile your library
- Win the game
Showing the 8 shortest and most explosive. This card appears in more than these. Follow any of them through to Commander Spellbook to browse the rest.
Combo data from Commander Spellbook, the community-maintained database of Magic combos. Mirrored nightly.
Rulings
6 official rulings, in the order Wizards published them.
- 2020-01-24
Colorless and generic mana symbols ({C}, {0}, {1}, {2}, {X}, and so on) in mana costs of permanents you control don't count toward your devotion to any color.
- 2020-01-24
If you put an Aura on an opponent's permanent, you still control the Aura, and mana symbols in its mana cost count towards your devotion.
- 2020-01-24
If an activated ability or triggered ability has an effect that depends on your devotion to a color, you count the number of mana symbols of that color among the mana costs of permanents you control as the ability resolves. The permanent with that ability will be counted if it's still on the battlefield at that time.
- 2020-01-24
If your devotion to blue is zero at the time the triggered ability of Thassa's Oracle resolves, you don't look at or move any cards in your library. If you have no cards in your library, you win the game.
- 2020-01-24
Hybrid mana symbols, monocolored hybrid mana symbols, and Phyrexian mana symbols do count toward your devotion to their color(s).
- 2020-01-24
Mana symbols in the text boxes of permanents you control don't count toward your devotion to any color.
Rulings are Wizards of the Coast's own, mirrored from Scryfall and refreshed nightly.
In the 99
Every deck whose current list includes Thassa's Oracle, whatever its commander.
Most played under
| Commander | Decks | Games | Win rate |
|---|---|---|---|
| The Council of Four | 1 | 3 | — |
| Bard, King of Dale | 1 | 0 | — |
| Noctis, Prince of Lucis | 1 | 0 | — |
Colors it shows up in
- Azorius 2 decks
- Esper 1 deck
Thassa's Oracle price history
The Theros Beyond Death #73 printing, as Scryfall reports the TCGplayer market. Updated nightly. Click any version below to chart its price.
Every recorded price change
| Date | Non-foil | Foil |
|---|---|---|
| Oct 27, 2026 | $22.61 | $24.32 |
| Oct 26, 2026 | $22.61 | $24.32 |
| Oct 25, 2026 | $22.63 | $24.48 |
| Oct 24, 2026 | $22.38 | $24.48 |
| Oct 23, 2026 | $22.40 | $24.61 |
| Oct 22, 2026 | $21.83 | $24.76 |
| Oct 21, 2026 | $22.28 | $24.62 |
| Oct 20, 2026 | $22.20 | $24.62 |
| Oct 19, 2026 | $22.66 | $24.60 |
| Oct 18, 2026 | $22.14 | $24.60 |
| Oct 17, 2026 | $22.33 | $24.59 |
| Oct 16, 2026 | $22.70 | $24.66 |
| Oct 15, 2026 | $22.70 | $24.18 |
| Oct 14, 2026 | $22.94 | $24.06 |
| Oct 13, 2026 | $22.43 | $24.06 |
| Oct 12, 2026 | $22.01 | $24.10 |
| Oct 11, 2026 | $22.43 | $24.10 |
| Oct 10, 2026 | $22.37 | $24.10 |
| Oct 9, 2026 | $22.51 | $24.10 |
| Oct 8, 2026 | $22.32 | $24.10 |
| Oct 7, 2026 | $22.32 | $24.50 |
| Oct 6, 2026 | $22.51 | $24.50 |
| Oct 5, 2026 | $22.54 | $24.50 |
| Oct 4, 2026 | $22.48 | $24.50 |
| Oct 3, 2026 | $22.26 | $24.36 |
| Oct 2, 2026 | $22.03 | $24.25 |
| Oct 1, 2026 | $21.97 | $24.25 |
| Sep 30, 2026 | $21.90 | $24.21 |
| Sep 29, 2026 | $22.10 | $24.29 |
| Sep 28, 2026 | $23.85 | $24.26 |
A row is recorded only on nights the price moved, so each price held until the row above it.
Every version of Thassa's Oracle
6 printings, newest first. Prices are the market figures Scryfall publishes, refreshed nightly. A printing with no figure shows a dash rather than a zero, because Scryfall publishes none for some of them. Click a card's art to chart that version's price above.
- Normal
- $20.96
- Foil
- $88.64
Inverted
Secret Lair Drop
- Normal
- $116.60
- Foil
- $195.57
Extended Art
- Normal
- $27.73
- Foil
- $61.47
- Normal
- $22.61
- Foil
- $24.32
Promo
Theros Beyond Death Promos
- Normal
- $25.48
- Foil
- $38.99
Promo
Theros Beyond Death Promos
- Foil
- $44.66
Prices from Scryfall, which tracks the TCGplayer and Cardmarket markets. They move daily and are a guide rather than a quote. Search TCGplayer for Thassa's Oracle. It runs a name search across every version, which covers the printings TCGplayer publishes no direct link to.
Aggregated from Commander games tracked in TurnZero HQ. Every figure counts decks and games only. No individual deck list, player or playgroup is identified. Win rates are withheld below 5 completed games, where the sample is too small to mean anything.
