What type of card is Interplanar Tunnel?

Q: What type of card is Interplanar Tunnel?

Interplanar Tunnel is a Phenomenon. Its oracle text reads: "When you encounter Interplanar Tunnel, reveal cards from the top of your planar deck until you reveal five plane cards. Put a plane card from among them on top of your planar deck, then put the rest of the revealed cards on the bottom in a random order. (Then planeswalk away from this phenomenon.)"

Interplanar Tunnel

Phenomenon

When you encounter Interplanar Tunnel, reveal cards from the top of your planar deck until you reveal five plane cards. Put a plane card from among them on top of your planar deck, then put the rest of the revealed cards on the bottom in a random order. (Then planeswalk away from this phenomenon.)

Set Planechase Anthology Planes

Rarity Common

Artist Chuck Lukacs

Collector # 2

Scryfall Gatherer