Whenever a new Magic: The Gathering set drops (such as the recent Edge of Eternities), the temptation to brew fresh decks hits hard and fast. Whether it’s a shiny new mechanic, a pushed rare, or just a favorite flavor card, everyone wants to be the first to crack the format.

However, throwing random cards together rarely yields a winning list. Efficient brewing means finding the balance between creativity and structure, using tools and strategies that help you test ideas without wasting time. Here are four smart ways to brew MTG decks effectively when a new set hits the scene.

1. Start With a Core Shell That Already Works

The best way to start brewing is to avoid starting from scratch. Look at decks that were already performing well before the new set and ask: what new cards improve this strategy? This approach gives you a tested framework—mana base, curve, archetype identity—and lets you swap in new pieces without reinventing the wheel. Maybe a new creature fits perfectly into an existing aggro list, or a new planeswalker gives your control build a win-con with better synergy.

2. Identify Key Themes and Mechanics Early

Every set introduces new mechanics or tribal synergies—some splashy, others subtle. Identify which ones offer potential for standalone archetypes or enable existing ones in new colors or styles. Make a list of enablers and payoffs, and see if they have enough density to support a deck on their own. Efficient brewers don’t just chase the biggest mythics—they look for mechanical cohesion. If a set introduces a new graveyard mechanic, for example, go dig into past cards that can power it up.

3. Use Goldfishing and Early Testing to Refine

Goldfishing—playing hands solo to simulate opening turns—is an underrated method for quickly testing a deck’s consistency. How fast does it develop a board? Are you stuck on colors too often? Does the curve flow naturally? Once a list passes the goldfish test, take it to quick matches or Arena queues for real-time feedback. This avoids spending hours tuning a bad idea and helps you identify cards that underperform, even if they looked good on paper.

4. Keep Sideboard Tech and the Meta in Mind

Efficient brewing doesn’t stop at the main deck. Anticipate what the early meta will look like based on previous sets and how players will respond to the most hyped cards. Build sideboards with flexible answers, not just silver bullets. If you expect an uptick in aggro, include early sweepers or life gain; if combos are trending, keep disruption on hand. Sideboards help determine how well your brew survives not just game one, but the match as a whole.

In the end, brewing efficiently is about working smarter, not harder. It means testing ideas with purpose, evaluating cards beyond hype, and building with both synergy and adaptability in mind. New sets are exciting because they shake things up—and if you’re prepared, they’re also the best time to get ahead of the competition with a brew that wins games.

Thanks for reading.