DiGiCA-NAVI | Digimon Card Game Rulings Quiz & Tools

All 6,140 English Digimon Card Game rulings, mapped to card images and the Comprehensive Rules Ver.4.0. New tools in development.
Free for players — search, browse, and check rulings by card.

About this siteOperator & Getting started

Deck LectureNEW

Rules

Rulings Quiz READY

Study 6,140 official Q&A rulings in quiz format. Filter by card or booster set.

Comprehensive Rules Ver.4.0 READY

The full official Digimon Card Game Comprehensive Rules. Browse by chapter or jump straight to a rule ID.

Featured Rulings READY

Commonly confused rulings, explained pair by pair. Each column cites the relevant Comprehensive Rules sections.

Trending Rulings

Ranked by X post impressions (last 2 weeks)

BT26-082 27,174 imp 2

BT26-006 3,105 imp 10

EX12-015 3,041 imp

See full ranking →

Tools

Lottery READY

Draw winners at random from a participant list or a Tonamel tournament CSV. Shows rank, player name, and account ID.

Deck Distribution Maker READY

Paste a tournament deck list plus deck images to build a donut-style distribution chart. Edit title and colors, then download as PNG.

Solo Playtest COMING SOON

A solo playtest simulator for practicing deck flows on your own. In development for beginners and mid-level players.

Updates

2026-08-28 Trending Rulings updated with the latest 2 weeks (8/15 - 8/28). Eight cards from BT-26 made the list, with Ravemon on top.
2026-08-25 Deck Lecture Vol. 2 "Toho Braves (Shambhala/TB)" (beta) is now live. Trashes and deletions pile up into the trash, culminating in an ≪Assembly≫ that calls Susanoomon. Content is Japanese-only for now.
2026-08-21 Trending Rulings updated with the latest 2 weeks (8/8 - 8/21). Five cards from BT-26 made the list.
2026-08-19 243 official Q&A entries (Q6948 - Q7190) for BT-26 TIMELESS BONDS are now indexed.
2026-08-18 All 104 cards of BT-26 TIMELESS BONDS (releasing Aug 29) are now listed ahead of launch.
2026-08-14 Deck Lecture (beta) launched. A new hands-on tool to walk through one loop of a deck in 5 minutes — the first entry is Diaboromon. Background & design notes on note (Japanese).
2026-08-14 Trending Rulings updated with the latest 4 weeks (7/18 - 8/14).
2026-07-30 English version of the TOP page is now live. The lottery, deck distribution maker, and general rule search bar also have English UIs.
2026-07-29 Trending Rulings updated with the latest 2 weeks (7/16 - 7/29).
2026-07-03 Q&A now links to the Comprehensive Rules. Open a ruling on a card page to see the relevant rule number and summary.
2026-06-23 New booster set "EX-12 HERO CHRONICLE 2" — card info and 166 official Q&A (Q6887 - Q6722) are now indexed, with the corresponding Comprehensive Rules Ver.4.1 sections.
2026-06-19 The official Comprehensive Rules were updated to Ver.4.1. New keyword effects (Blitz, Aegis, etc.) and expanded [Rule] icons are reflected here.
2026-06-17 Featured rulings columns have been greatly expanded. Commonly confused rulings are explained theme by theme, with rule references and official Q&A.
2026-06-15 Deck Distribution Maker is now available. Build charts by color, type, or cost from a deck list.
2026-06-13 Added a language switcher to the top right of every page: 日本語 / English / 中文 / 한국어 in one tap.
2026-06-10 Lottery tool is now available. Load a participant list or Tonamel tournament CSV and draw winners at random.
2026-06-05 Trending Rulings page added. TOP 10 rulings ranked by X post impressions.

See all updates

2026-05-13 Launched the verified X account @digica_navi. Posting 3 ruling explanations per day.
2026-05-08 Situation/tag features added, plus "Related rulings" and tag-based lookups.
2026-05-01 Site launched.