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

Evilswarm Obliviwisp
[BPW2-EN057 Common]

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Malice Doll of Demise
[SOD-EN018 Common]

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Galaxxi Black (Alternate Art)
[MON155 (Monarch) Cold Foil]

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Advanced Crystal Beast Amber Mammoth
[BLCR-EN014 Secret Rare]

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Mask of Brutality
[BP03-EN137 Shatterfoil Rare]

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

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Goblin Attack Force
[BP02-EN008 Common]

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Frightfur Sabre-Tooth
[MP16-EN137 Ultra Rare]

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

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Gravekeeper's Curse
[DR1-EN008 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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The Book of Vile Darkness
[Dungeons & Dragons: Adventures in the Forgotten Realms]

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Thopter // Beast Double-Sided Token
[March of the Machine Commander Tokens]

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