How many cards are in a Yu-Gi-Oh! deck?

A Yu-Gi-Oh! Main Deck contains 40 to 60 cards. Competitive players almost always run exactly 40 cards to maximize consistency.

What are the three types of Yu-Gi-Oh! cards?

The three main card types are Monster Cards (your primary attackers and defenders), Spell Cards (one-time or continuous effects), and Trap Cards (reactive effects that trigger from the field).

How do you win in Yu-Gi-Oh!?

You win by reducing your opponent's Life Points from 8,000 to 0. You can also win if your opponent cannot draw at the start of their turn, or through certain card effects.

Yu-Gi-Oh! Quick Start Guide

Monster, Spell, and Trap cards explained. Tribute summons, the battle phase, and core rulings to get your first game going.

Yu-Gi-Oh! has one of the steepest learning curves of any TCG, mostly because competitive play involves complex chains and timing rules. But the basic game is straightforward: put monsters on the field, attack your opponent's life points down to zero. Here's what you need to get started.

The Three Card Types

Monster cards — your fighters (yellow border). Each has ATK and DEF stats, a Level (stars), and often special effects. Monsters sit in the Main Monster Zone (up to 5 at once).
Spell cards — green border. Powerful one-shot effects (Normal Spells) or persistent ones (Continuous Spells). Field Spells go in the dedicated Field Zone and affect both players.
Trap cards — pink border. Must be set face-down for one full turn before you can activate them. Once a Trap is set, your opponent can't see it until you spring it.

Zones at a Glance

Each player's field has:

5 Main Monster Zones (+ 2 Extra Monster Zones shared between players)
5 Spell & Trap Zones
1 Field Zone (for Field Spells)
1 Graveyard (face-up discard pile — many cards interact with it)
1 Extra Deck Zone (face-down; Fusion, Synchro, Xyz, and Link Monsters live here)

The Turn Structure

Draw Phase — draw 1 card. The first player does NOT draw on turn 1.
Standby Phase — some effects trigger here.
Main Phase 1 — Normal Summon/Set 1 monster, activate Spells and Traps, Special Summon as many times as you can (if you have the means).
Battle Phase — attack with your monsters. Only the player whose turn it is can attack. Each monster can attack once per turn.
Main Phase 2 — more Spells/Traps/Special Summons after combat.
End Phase — discard to hand limit (6 cards). End-of-turn effects resolve.

Normal vs. Special Summon

You get one Normal Summon per turn. Monsters with Level 1–4 can be Normal Summoned for free. Level 5–6 require you to Tribute 1 monster you already control first. Level 7+ require 2 Tributes.

Special Summons bypass the Normal Summon limit. Cards like Blue-Eyes White Dragon say "cannot be Normal Summoned; must be Special Summoned..." — meaning you use a card effect to bring them out without using your Normal Summon. Most powerful combos chain multiple Special Summons in one turn.

Combat and Damage

When you attack, you choose one of your face-up Attack Position monsters and declare an attack on an opponent's monster or directly on your opponent if they have no monsters.

If your monster's ATK exceeds the defending monster's ATK (or DEF in Defense Position), the defending monster is destroyed and the difference is subtracted from the opponent's LP.
If both monsters have the same ATK, both are destroyed and no LP damage is dealt.
If your monster's ATK is lower, your monster is destroyed and you take the difference as LP damage.

Players start at 8,000 Life Points. Reaching 0 loses the game.

The Graveyard Is a Resource

Unlike most TCGs, the Graveyard in Yu-Gi-Oh! is semi-public and heavily interacted with. Many effects say "you can banish this card from your Graveyard to..." or "send 2 cards from your Deck to the Graveyard." Building up your Graveyard is often part of your game plan, not just discarding dead cards.

Chain Links (Keep It Simple for Now)

When you activate a card or effect, your opponent can respond — and then you can respond to their response. This forms a Chain. Chains resolve in reverse order (last activated = first resolved). For your first few games, just know: activated effects happen, and your opponent may have an opportunity to "respond" with a Trap or Quick Effect before it resolves.

Beginner Tips

Start with a Structure Deck. The official Structure Decks ($10–15) are 40-card ready-to-play decks built around one archetype. "Legend of the Crystal Beasts" and "Albaz Strike" are solid beginner choices.
Learn one archetype at a time. Yu-Gi-Oh! is archetype-based — cards from the same theme have synergy. Don't mix random powerful cards; pick a theme and build around it.
Set traps before your Battle Phase. Traps need one full turn to set before activation. If you don't set them in Main Phase 1, you can't use them until your next turn.
Watch your hand size. Yu-Gi-Oh! has a 6-card hand limit at end of turn. Cards that refill your hand (pot effects) are among the most valuable in the game.
Keep a small Extra Deck. As a beginner, fill your Extra Deck (up to 15 cards) with a few generic Link Monsters — they're easiest to summon and open Extra Monster Zones for your plays.