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

Fiend of the Shadows
[Dungeons & Dragons: Adventures in the Forgotten Realms Commander]

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Kiora, Sovereign of the Deep (Showcase)
[March of the Machine: The Aftermath]

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Plaguespreader Zombie
[BP02-EN071 Mosaic Rare]

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Dance with Calamity (Extended Art)
[March of the Machine Commander]

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Evilswarm Obliviwisp
[BPW2-EN057 Common]

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Malice Doll of Demise
[SOD-EN018 Common]

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Ghoti of the Deep Beyond
[POTE-ENSP1 Ultra Rare]

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Valgavoth, Terror Eater
[Duskmourn: House of Horror]

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Goblin Attack Force
[BP02-EN008 Common]

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The Book of Vile Darkness
[Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos]

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Shadow of the Enemy (Borderless Alternate Art)
[The Lord of the Rings: Tales of Middle-Earth]

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Fabled Marcosia
[MP22-EN009 Common]

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Driangle, Dragon of the Dark Deep
[SUDA-EN022 Common]

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Pontiff of Blight
[Dungeons & Dragons: Adventures in the Forgotten Realms Commander]

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Witch-king of Angmar (Borderless Alternate Art)
[The Lord of the Rings: Tales of Middle-Earth]

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Krebons
[BP02-EN068 Mosaic Rare]

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