How does sideboard work in MTG Arena?
In MTG Arena, your sideboard is like your toolbox for the best-of-three matches. After the first game, you can swap cards between your main deck and sideboard to better counter your opponent's strategy. You can add up to 15 cards in your sideboard. This means you get to adjust your game plan based on what your opponent is playing, making those next rounds a real test of strategy!
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Sideboards? Simple: They're your plan B (or C...or D) in MTG Arena. After game 1, tweak your deck with your 15-card sideboard to outsmart your opponent. It's all about the mind games!
Sideboards are overrated. Just build a strong main deck.
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