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What exactly does this glowing check mark symbol mean when building a "Jump In" deck? It sometimes shows up in the top right corner when choosing a packet that I've chosen before,
![MTG_Joe on Twitter: "Weekly look at the best decks in Explorer Bo1 and Bo3 as tracked by @UntappedGG. See how the pro tour influenced the explorer metagame. Decklists and summary in the MTG_Joe on Twitter: "Weekly look at the best decks in Explorer Bo1 and Bo3 as tracked by @UntappedGG. See how the pro tour influenced the explorer metagame. Decklists and summary in the](https://pbs.twimg.com/media/FpgtjPPXsAAIMCx.jpg)
MTG_Joe on Twitter: "Weekly look at the best decks in Explorer Bo1 and Bo3 as tracked by @UntappedGG. See how the pro tour influenced the explorer metagame. Decklists and summary in the
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Best Decks in Standard Best of 1 | Dominaria United on MTG Arena | Magic the Gathering | DMU - YouTube
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