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Maelstrom (メイルストローム Meirusutorōmu) are a series of cards that include "Maelstrom" in its card name exclusive to the Aqua Force clan. The first card was introduced in Booster Set 8: Blue Storm Armada, and the series later received a new member in Booster Set 9: Clash of the Knights & Dragons, along with further support in Booster Set 15: Infinite Rebirth. The series primarily focuses on effects that activate after a certain amount of battles, with the exception of Blue Storm Supreme Dragon, Glory Maelstrom.
List of "Maelstrom" cards
Grade 3
- Blue Storm Dragon, Maelstrom
- Blue Storm Karma Dragon, Maelstrom "Яeverse"
- Blue Storm Supreme Dragon, Glory Maelstrom
Grade 4
- Blue Storm Master Dragon, Admiral Maelstrom
List of support cards
Grade 0
Grade 1