RPG - Card Duel

Since this game was invented, it has dominated the world. Even wars between countries are now decided by matches of this game between the best players from each country.

Even someone's authority is defined by their skill in the game.

Game Objective:
Each player aims to reduce their opponent's Life Points (LP) to zero. Each player starts the game with 20 points.

Shift Structure:
Initial phase – activation of continuous card effects.
Purchase phase – You must draw one card from the deck each turn; 6 cards are drawn at the start of the duel.
Preparation phase – placing creatures, activating spells, or placing scenarios, artifacts, or buildings into play.
Battle phase – This is the moment when creatures can attack.
Final phase – resolve any final effects and pass the turn.

Basic Mechanics
Each player starts with 20 VP.

• Mana: a resource for summoning cards; each player gains 10 mana per turn, and this value is reset each turn.
• Field limit: up to 5 creatures and 3 active artifacts.
  No player can know the opponent's card until it enters the field.
  The cards are always played face up.

Types of Cards
Creatures: Cards summoned to attack and defend. They all have attack points and life points. These points range from 0 to 10, but are altered by card effects.

• Spells: Unique or continuous effects that affect other cards.

Artifacts – items that strengthen creatures or grant abilities.

• Scenarios – define the environment and influence the power of the cards.

• Buildings - They act as barriers and as support for other cards.

Construction Cards

1. Nature

• They are hybrid cards: they function as both scenario and creature cards at the same time.
• They represent fortresses, temples, machines, or magical structures that shape the battlefield.

2. Characteristics

• Hit Points (own HP): each Building has a resistance value and can be destroyed by attacks.
• Position on the field: They are placed between the player and their own cards, serving as a protective barrier against enemy creatures.
• Dual function: they can attack (if they have weapons or mechanisms) or buff creatures (increasing attributes, granting abilities) or cast spells (if they have some special effect).

3. Rules of Use

• Summoning: requires a higher mana cost than regular creatures.
• Field limit: each player can have up to 2 active Buildings.
• Attack: If the building has offensive power, it can attack outside of the battle phase.
• Defense: Enemy attacks must first destroy the Building before hitting the player, unless the attacker has the ability to ignore barriers.

There are hundreds of deck themes and archetypes. Some examples:
Insects
Dragons
Wizards
Dinosaurs
Egypt
Demons
Gods
Princesses
Knights
Machines
Golems
Heroes
Aliens

This is the part of the game where the creatures attack and defend.

A player's monsters can only attack another player's monsters directly if there is nothing preventing them from doing so.

Creatures belonging to the same player can attack the same target to reduce its HP to zero and destroy it.

When attacked, the target creatures do not inflict damage on the attacking creatures.

If a creature attacked is not destroyed, its HP remains reduced.

Attacking creatures can only attack one target per turn.

There are several archetypes, which are like "themes" for building a deck of cards.
Just as there are cards that are good for any deck, there are also cards that only work within their specific archetype.

Each NPC has their own deck with a specific theme, usually reflecting their tastes and personality.