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

Graff, Malebranche of the Burning Abyss
[RA04-EN234 Quarter Century Secret Rare]

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Xyz Poseidon Splash
[ROTA-EN069 Common]

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Ultimate Dragon of Pride and Soul
[ROTA-EN000 Quarter Century Secret Rare]

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Armed Rebeellion
[ROTA-EN051 Common]

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Tsuru-Puru-Purun
[ROTA-EN025 Common]

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Metal Illusionist
[ROTA-EN008 Super Rare]

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Abyss Soldier
[SDRE-EN014 Common]

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Azamina Moa Regina
[ROTA-EN033 Ultra Rare]

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Primite Imperial Dragon (Quarter Century Secret Rare)
[ROTA-EN013 Quarter Century Secret Rare]

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Madolche Queen Tiaramisu
[ABYR-EN048 Ultra Rare]

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Primite Imperial Dragon
[ROTA-EN013 Ultra Rare]

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Insect Invitation
[ROTA-EN083 Common]

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Azamina Sol Erysichthon
[ROTA-EN032 Common]

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Abyss Dweller (UR)
[RA02-EN033 Ultra Rare]

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QQ Enneagon
[ROTA-EN089 Common]

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Mimighoul Charm
[ROTA-EN096 Secret Rare]

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