Free tool

The deckbuilder Yu-Gi-Oh!
you've been waiting for

Build your Main Deck, Extra Deck and Side Deck from a database of 12 000+ cards. Analyze your composition, calculate probabilities and prepare your siding — all in one.

Everything you need to build the perfect deck

Advanced search

Filters by type, attribute, level, archetype, race. Find any card in seconds.

3 deck zones

Main Deck (40–60), Extra Deck (0–15) and Side Deck (0–15) with real-time counters.

Statistical analysis

M/S/T ratio, level curve, attributes, archetypes, average ATK — all calculated automatically.

Hand test

Draw 5 or 6 cards randomly, draw one at a time, reset. Test your opening hand consistency.

Card tags

Visually identify your Starters, Extenders, Hand Traps, Bricks, Win Cons and engines on each card.

AI Coach (Claude)

Built-in AI chat that analyzes your deck and delivers personalized competitive advice in real time.

Why use an online deckbuilder?

An online Yu-Gi-Oh! deckbuilder lets you build and test lists without physically owning the cards. It's essential for tournament preparation, testing new archetypes or comparing deck variants.

Unlike a text editor or Excel spreadsheet, a visual deckbuilder displays card images, automatically verifies legal limits (40–60 Main, 0–15 Extra and Side), and calculates statistics in real time.

How to build a good Yu-Gi-Oh! deck?

Yu-Gi-Oh! Deckbuilder FAQ

Is the Yu-Gi-Oh! deckbuilder really free?

Yes, the deckbuilder is free and requires no registration to build a deck, analyze it and test opening hands. A premium plan exists for advanced features such as unlimited AI coach, but all core functions are available for free.

How many cards are available in the deckbuilder?

The database contains over 12,000 Yu-Gi-Oh! TCG cards, regularly updated with new releases. You can search for any card by name, type, attribute, level, archetype or effect using the advanced filters.

Can I build multiple decks and save them?

Yes, by creating a free account you can save as many decks as you want and access them from any device. Without an account, the deck is kept in the current browsing session.

Does the deckbuilder check card legality?

Yes, the tool automatically checks the current TCG banlist. Forbidden cards, cards limited to 1 copy or semi-limited to 2 copies are flagged directly in the deckbuilder to prevent you from playing an illegal list in a tournament.

Why choose DeckLab over another deckbuilder?

Feature DeckLab Text editor Excel sheet
Card images
Banlist check
Probability calculator
Hand simulator
Starter / Brick tags
AI Coach
Siding by matchup

Explore all features

Start building your deck now

Free, no sign-up, directly in your browser.