What type of card is The Fifth Alias?

Q: What type of card is The Fifth Alias?

The Fifth Alias is a Legendary Creature — Shapeshifter. Its oracle text reads: "Before the game begins, if The Fifth Alias is your commander or in your deck, secretly make a list of five nonland cards in your deck. (Don't forget to do this!) As you draw a card on your list, you may reveal it, show it was on the list, and exclaim its name. If you do, cast it without paying its mana cost."

The Fifth Alias

Legendary Creature — Shapeshifter

Before the game begins, if The Fifth Alias is your commander or in your deck, secretly make a list of five nonland cards in your deck. (Don't forget to do this!)

As you draw a card on your list, you may reveal it, show it was on the list, and exclaim its name. If you do, cast it without paying its mana cost.

Set Unknown Event

Rarity Rare

Mana Value 5

Collector # RZ03g

Scryfall