You may choose not to untap Hivis of the Scale during your untap step. : Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.
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鱗のヒヴィス
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Legendary Creature — Lizard Shaman
You may choose not to untap Hivis of the Scale during your untap step. : Gain control of target Dragon for as long as you control Hivis and Hivis remains tapped.