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Data Sources

LegendRec collects publicly available decklists and tournament results from community sites to improve card recommendations. Here's how it works and where the data comes from.

How we use the data

When we scrape a decklist, we only store the cards that appear in it — nothing else. No usernames, deck names, descriptions, or any other metadata are retained. The card combinations are fed into our recommendation algorithm, which uses co-occurrence patterns to boost the affinity score between cards that frequently appear together in real decks. Raw decklists are discarded after processing.

Active sources

Piltover Archive
Community decklist database for Riftbound.
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Sources are enabled and disabled over time as community sites launch or go offline. This page reflects what is currently active.