Your search for "*monster of the abyss*" revealed the following:
LeVirtue Dragon
[ROTA-EN042 Super Rare]
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Primite Drillbeam (Quarter Century Secret Rare)
[ROTA-EN060 Quarter Century Secret Rare]
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Primite Drillbeam (Quarter Century Secret Rare)
[ROTA-EN060 Quarter Century Secret Rare]
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Performage Ball Balancer
[ROTA-EN010 Common]
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Ape Magician
[ABYR-EN092 Common]
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The Abyss Dragon Swordsoul
[MP24-EN167 Ultra Rare]
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Succumbing-Song Morganite
[ROTA-EN065 Super Rare]
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Dominus Impulse (Quarter Century Secret Rare)
[ROTA-EN079 Quarter Century Secret Rare]
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Dominus Impulse (Quarter Century Secret Rare)
[ROTA-EN079 Quarter Century Secret Rare]
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Battlewasp Wind
[ROTA-EN052 Common]
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Mermail Shadow Squad
[ROTA-EN018 Ultra Rare]
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Mermail Shadow Squad (Quarter Century Secret Rare)
[ROTA-EN018 Quarter Century Secret Rare]
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Mermail Shadow Squad (Quarter Century Secret Rare)
[ROTA-EN018 Quarter Century Secret Rare]
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Archfiend's Awakening
[FIGA-EN031 Secret Rare]
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Primite Drillbeam
[ROTA-EN060 Ultra Rare]
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Giant Mimighoul (Quarter Century Secret Rare)
[ROTA-EN093 Quarter Century Secret Rare]
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Giant Mimighoul (Quarter Century Secret Rare)
[ROTA-EN093 Quarter Century Secret Rare]
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Graff, Malebranche of the Burning Abyss
[RA04-EN234 Quarter Century Secret Rare]
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Graff, Malebranche of the Burning Abyss
[RA04-EN234 Quarter Century Secret Rare]
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Xyz Poseidon Splash
[ROTA-EN069 Common]
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Ultimate Dragon of Pride and Soul
[ROTA-EN000 Quarter Century Secret Rare]
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Ultimate Dragon of Pride and Soul
[ROTA-EN000 Quarter Century Secret Rare]
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