What type of card is Esper?

Q: What type of card is Esper?

Esper is a Plane — Alara. Its oracle text reads: "Artifact spells cost {1} less to cast. Whenever chaos ensues, creatures you control that are white, blue, and/or black become artifacts in addition to their other types until end of turn. Then each artifact creature you control gains vigilance, menace, and lifelink until end of turn."

Esper

Plane — Alara

Artifact spells cost less to cast.

Whenever chaos ensues, creatures you control that are white, blue, and/or black become artifacts in addition to their other types until end of turn. Then each artifact creature you control gains vigilance, menace, and lifelink until end of turn.

Set March of the Machine Commander

Rarity Common

Mana Value 0

Artist Bruce Brenneise

Collector # 49

Scryfall