Storm Fleet Aerialist deactivating Raid triggers

If I have two copies of Storm Fleet Aerialist in my hand, and both of them have Raid active (as indicated by the Raid graphic), then only one of them will trigger when I play them both in a single turn; I end up with an 8/10 creature.

If I play a different Raid creature after a Storm Fleet Aerialist (like, say, a Storm Fleet Arsonist), then the Raid trigger won't trigger on that, either.

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