Your search for "*monster of the abyss*" revealed the following:

Terra the Terrible
[LOB-080 Common]

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Swordsoul of Taia
[MZTM-EN081 Rare]

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Krebons
[BP02-EN068 Mosaic Rare]

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Mosaic Manticore
[BP02-EN073 Mosaic Rare]

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M-Warrior #1
[LOB-EN076 Common]

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Modular Monstrosity (Unfinity Foil Edition)
[The List]

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Fiber Jar
[LOD-056 Ultra Rare]

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Book of Rass
[The Dark]

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Succubus Knight
[LOB-EN117 Common]

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Shards of Narsil - Thorn of Amethyst (Serialized)
[The Lord of the Rings: Tales of Middle-Earth Commander]

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Lazotep Reaver
[War of the Spark]

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Monstrosity of the Lake
[The Lord of the Rings: Tales of Middle-Earth Commander Showcase Scrolls]

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Dungeon Mayhem: Monster Madness

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Giggling Skitterspike
[Duskmourn: House of Horror Commander]

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Anarchist Monk Ranshin
[BP02-EN092 Mosaic Rare]

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Evil HERO Malicious Edge
[BP02-EN054 Mosaic Rare]

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