The Core Set 2020 Deck Builder's Toolkit is a box set that was released on July 12, 2019. It contains 100 basic land cards, 125 fixed cards suitable for improving the M20 Planeswalker decks, and four 15-card booster packs (Guilds of Ravnica, Ravnica Allegiance, War of the Spark, and Core Set 2020).

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