Explain Deck Building Basics For A New Card Gamer

You open the starter set, shuffle the cards as they come, and lose every game to a friend who built theirs properly. This explains curve, consistency, and synergy in plain terms, with no assumed knowledge, so your next deck is built on purpose rather than by accident.

<context>
Someone has just been given a starter deck for {CARD_GAME} and does not understand why deck building matters or where to begin.
</context>

<task>
**Explain deck building from first principles:**
1. Why a random pile of cards plays worse than a built deck
2. Core ideas: curve, consistency, synergy, in plain terms with one example each
3. A simple three-step process for building a first deck from a starter set
4. One common beginner mistake to avoid
</task>

<output_format>
- Four short sections matching the numbered points
- End with a one-paragraph "try this first" deck idea using only starter cards
</output_format>