As you can see on the Iago card above, Vanish is explained as follows: When an opponent chooses the character with Vanish for an action, they are banished

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This video also shows a significant weight difference between Enchanted rares and other Lorcana cards
Has card draw potential to keep their engine rolling
For one, it's the first to name check a specific character, that being the tentacled sea-witch herself, who's been freed from imprisonment and is wreaking her usual havoc upon Lorcana