Your search for "*Monster of the Abyss*" revealed the following:

Volo's Guide To Monsters

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Master of Cruelties
[The List]

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Brotherhood of the Fire Fist - Rhino
[LTGY-EN028 Rare]

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Reign-Beaux, Overlord of Dark World
[SDGU-EN014 Common]

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The Fabled Abanc
[MP22-EN010 Common]

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Ob Nixilis, Captive Kingpin (Showcase)
[March of the Machine: The Aftermath]

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Bone Archfiend
[SDCK-EN003 Common]

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Elemental Hero Absolute Zero
[GENF-ENSE1 Super Rare]

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Ob Nixilis, Captive Kingpin (Foil Etched)
[March of the Machine: The Aftermath]

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Bastion of Remembrance
[Ikoria: Lair of Behemoths]

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Jace, Wielder of Mysteries (Japanese Alternate Art)
[War of the Spark Promos]

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Earthbound Prisoner Stone Sweeper
[MZMI-EN028 Super Rare]

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Rammas Echor, Ancient Shield (Borderless)
[The Lord of the Rings: Tales of Middle-Earth Commander]

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Sword of the Animist
[Magic Origins]

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DND UNPAINTED MINIS WV14 WARFORGED MONK

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The Monstrous Serpent - Koma, Cosmos Serpent (Borderless)
[Avatar: The Last Airbender: Eternal-Legal]

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