Your search for "*monster of the abyss*" revealed the following:
Flying Mary, the Wandering Ghost Ship
[ROTA-EN047 Ultra Rare]
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Dominus Impulse
[ROTA-EN079 Secret Rare]
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Khaos Starsource Dragon
[ROTA-EN034 Common]
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Centur-Ion Chimerea (Quarter Century Secret Rare)
[ROTA-EN016 Quarter Century Secret Rare]
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Centur-Ion Chimerea (Quarter Century Secret Rare)
[ROTA-EN016 Quarter Century Secret Rare]
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Supply Soldier of the Indestructible Insects
[ROTA-EN081 Common]
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Graff, Malebranche of the Burning Abyss
[AP08-EN007 Super Rare]
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Battlewasp - Rapier the Onslaught
[ROTA-EN009 Common]
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Mimighoul Throne
[ROTA-EN094 Ultra Rare]
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Red-Eyes Black Fullmetal Dragon
[ROTA-EN005 Ultra Rare]
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Mimighoul Armor
[ROTA-EN090 Common]
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Max Metalmorph
[ROTA-EN071 Common]
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Moulinglacia the Elemental Lord
[ABYR-EN035 Secret Rare]
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Eria the Water Channeler (Quarter Century Secret Rare)
[ROTA-EN023 Quarter Century Secret Rare]
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Eria the Water Channeler (Quarter Century Secret Rare)
[ROTA-EN023 Quarter Century Secret Rare]
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Eria the Water Channeler
[ROTA-EN023 Ultra Rare]
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Mementotlan Akihiron
[ROTA-EN015 Common]
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Armored Shark
[ROTA-EN003 Common]
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