Prism star rule
You can't have more than 1
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card with the same name in your deck. If a
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card would go to the discard pile, put it in the Lost Zone instead.
You can’t play this card if you don’t have any
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or
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Pokémon in play.
Your opponent chooses 2 Benched Pokémon and shuffles the others, and all cards attached to them, into their deck.
Errata for Cyrus Prism Star in Pokémon TCG: Sun & Moon Ultra Prism
Due to an error in the card text for Cyrus (Sun & Moon—Ultra Prism, 120/156), the first part of this card will be changed. The original text for this Supporter card has been changed to match the original intention of the card, which is that a player's Active Pokémon must be a
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or
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Pokémon.
The new Cyrus
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text says:
You can play this card only if your Active Pokémon is a
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or
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Pokémon.
Your opponent chooses 2 Benched Pokémon and shuffles the others, and all cards attached to them, into their deck.