Do not download shady scans from random forums. The official is available for free at:

The PDF clearly outlines how Simultaneous Effects Go On Chain (SEGOC). Learning this order (Mandatory Turn Player -> Mandatory Opponent -> Optional Turn Player -> Optional Opponent) allows you to properly "Chain Block" and protect your key card effects from being negated by cards like Ash Blossom & Joyous Spring . How to Download the New Yu-Gi-Oh! Rulebook PDF

still go to the Extra Monster Zone or a zone a Link Monster points to. Trigger Effect Clarification:

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But what exactly is "Rulebook 20"? Is it a revolutionary change, or a refinement of the dueling we know today? Here is everything you need to know about the latest edition of the rulebook, how to find it, and why it matters for your deck.

When card effects are activated in response to one another, they form a . The order of activation dictates the order of resolution.

The new rulebook emphasizes Simplified Card Text. Konami now uses specific punctuation and numbering to make card effects easier to read: Listed before a colon (:).