What type of card is Killer Cosplay?

Q: What type of card is Killer Cosplay?

Killer Cosplay is an Artifact — Equipment. Its oracle text reads: "Whenever this Equipment becomes attached to a creature, choose a creature card name with an identical mana cost. That creature becomes a copy of the card with the chosen name until this Equipment becomes unattached from it. Equip {3}"

Killer Cosplay

Artifact — Equipment

Whenever this Equipment becomes attached to a creature, choose a creature card name with an identical mana cost. That creature becomes a copy of the card with the chosen name until this Equipment becomes unattached from it.

Equip