What type of card is Interrogation Robot?

Q: What type of card is Interrogation Robot?

Interrogation Robot is an Artifact Creature — Construct. Its oracle text reads: "{T}, Discard a card: Choose a card name that hasn't been chosen among Who, What, When, Where, and Why. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs. Who//What//When//Where//Why is a split card from Unhinged.)"

Interrogation Robot

Artifact Creature — Construct

, Discard a card: Choose a card name that hasn't been chosen among Who, What, When, Where, and Why. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs. Who//What//When//Where//Why is a split card from Unhinged.)