Store data
- Store status
- Coming soon
- Scheduled release
- 20 November 2026
- Positive reviews
- —
- Total reviews
- —
- Release date
- 20 November 2026
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Recent views use Steam's daily review activity. Longer views use weekly totals, retained by SteamWatch.
Most collection trackers treat a Secret Lair as just another set code and a preconstructed deck as a pile of loose cards. Mana Ledger models the drop and the deck as things you bought at a price. It can answer the questions other trackers can't: Which drops made money? Should I crack this sealed box or keep it? Is the new drop worth buying at MSRP, or are the singles cheaper? What am I missing from this deck?
Every drop and superdrop, finish-aware; non-foil, Foil Edition, and Rainbow Foil are distinct SKUs with their own ownership and value
Per-drop P&L: MSRP paid → current value → gain, with completion bars
Crack-or-keep verdicts on sealed drops, and singles-vs-sealed comparisons while upcoming drops are estimated from each card's cheapest existing printing
The SL Index: your Secret Lair holdings charted as an asset class
An Upcoming strip of announced drops, with MSRPs and grouping synced from the community wiki
Every physical preconstructed deck ever sold, 1993 to today including Commander precons, Challenger, Duel, Theme, Intro, and Planeswalker decks, Guild Kits, and more
Full decklists in Gallery or sortable Table view, with finish-aware ownership
A "Worth it?" panel: assumed MSRP vs. singles value vs. sealed market price
One click to want-list the cards you're missing
Table and Gallery views over your binders, with filters, dual pricing (Scryfall low + TCGplayer market), price-change sparklines, and sold/realized-gains tracking
Global search that shows everywhere a card lives: your binders, decks that play it, drops and precons that include it, sealed products that contain it
Deck lists with format legality and Moxfield / Archidekt / ManaBox / MTGA import and export
Want list with per-card target prices , price-watch flags anything at or under target
A drag-and-resize dashboard: value over time, realized gains, top movers, value by binder, color, rarity, set, and more
No account, no cloud, no telemetry and everything lives in one SQLite database on your PC
Verified daily backups with one-click restore
An optional daily Scryfall bulk download prices your entire collection locally, with no rate limits
Free, and staying that way (Though you can support me with a cup of coffee)
Steam currently lists 20 Nov 2026 as the release date.