The field notes / 01–03

Know your cards.
Have a plan.

Yu-Gi-Oh! deck-building guides for the space between sorting your binder and sitting down to play.

READ. BUILD.
TEST. REPEAT.

A quick read. A useful next step. Pick a guide, follow the examples, and put one idea to work in your own deck.

Free to read.
No account needed.
  1. Collection & deck / 3 min read

    Build a Yu-Gi-Oh! deck from the cards you own

    Choose a plan, use what you own, and give every missing card a reason to be there.

    A field note with The Architect

    The Architect, a CHAINZERO guide character
  2. Opening hands / 3 min read

    Yu-Gi-Oh! opening hands: how often will you find a starter?

    See what a starter percentage tells you, then check whether the rest of your hand can follow through.

    A field note with Vector

    Vector, a CHAINZERO guide character
  3. Format check / 3 min read

    TCG vs OCG: four checks before you copy a deck

    Make sure the list you like matches the event you are actually playing.

    A field note with The Night Reader

    The Night Reader, a CHAINZERO guide character

Behind the notes

A voice from the crew.
Responsibility with the project.

CHAINZERO editorial is the project’s publishing label. These guides were drafted with AI assistance and source-checked against the linked official resources and current app behavior on . No named human expert or independent judge is being claimed.

The Architect, Vector, and The Night Reader are fictional CHAINZERO characters used as editorial voices. They are not separate people, credited rules authorities, or official Konami representatives. Opening-hand examples use our own calculations; game rules are attributed to their official sources.

Our catalog and supported analysis cover part of the game. A useful example is not proof of universal card coverage, tournament legality, or a guaranteed result. Check current official rules before an event. Send corrections to privacy@chainzero.co.

Published September 29, 2026. We revise dates when the content changes or is substantively checked, rather than every time the site is rebuilt.