- You must banish 1 of your opponent's SIGNI in order to designate the SIGNI Zone for Worm Hole.
- If your opponent has no SIGNI, you cannot designate a zone, and if so, this spell will do nothing.
- Arcgain, Archangel of Pioneering cannot be put into the SIGNI Zone designated by Worm Hole's effect. She still cannot be banished by Worm Hole's effect, however.
- If your opponent uses Bloody Slash as a Spell Cut-In on this spell to banish 1 of your <Misfortune Insect> SIGNI, it will not change the cost of this spell, since the cost was already paid.
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