Maximum Crisis’ official page confirms that the Spiral theme still has a “Great power” that remains hidden, which is likely a roundabout way of saying for some other card that remains unknown.

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Meanwhile, more up front:

Time-Space Trap Hole is reprinted in Structure Deck: Pendulum Evolution, as SD31-JP033. (Incidentally it has the same Kanji as the Pendulumgraph Trap, so that would presumably be translated as Pendulumgraph of Time-Space.)

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