Chart a Course: Keep the Flow
Chart a Course is a compact draw spell that rewards aggressive posture while staying true to blue's card advantage identity. At a casting cost of {1}{U} you draw two cards then discard a card unless you attacked this turn. In play this reads like a selective cantrip: you replace itself with fresh options and avoid the discard penalty when you have committed to the combat step. That makes it a solid inclusion in tempo builds and in decks that can reliably deal some damage through evasive creatures or by turning creatures sideways with haste or unblockable effects.
From a deckbuilding perspective Chart a Course fits in both creature based and spell heavy strategies. It smooths draws, digs for answers, and doubles as a cycle when you plan to attack. The Lost Caverns of Ixalan artwork ties the effect to exploration and hidden pays offs which is useful flavor when building a list around looting and graveyard planning. Experienced players value it for predictable consistency and easy synergy with cards that benefit from casting or discarding spells.
Card Details:
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Mana Cost {1}{U}
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Card Type Sorcery
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Subtypes
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Card Text / Rules Text (Printed) Draw two cards. Then discard a card unless you attacked this turn.
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Power / Toughness
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Loyalty