Fire Nation Raider
Raid — When this creature enters, if you attacked this turn, create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.")
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Official rulings (4) · Scryfall
Clue tokens are artifact tokens with "{2}, Sacrifice this token: Draw a card."
Creating a Clue token this way isn't the same thing as investigating. Notably, an ability that triggers whenever you investigate won't trigger because of creating a Clue token this way.
Raid abilities care only that you attacked with a creature. It doesn't matter how many creatures you attacked with, or which opponent or planeswalker controlled by an opponent those creatures attacked.
Raid abilities evaluate the entire turn to see if you attacked with a creature. That creature doesn't have to still be on the battlefield. Similarly, the player, planeswalker, or battle it attacked doesn't have to still be in the game or on the battlefield, respectively.