Is Acridian legal in Standard, Modern, and Commander?

Acridian is legal in: Legacy, Vintage, Commander, Pauper.

Acridian

Q: What type of card is Acridian?

Acridian is a Creature — Insect. Its oracle text reads: "Echo {1}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)"

Creature — Insect

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Set Urza's Saga

Rarity Common

Mana Value 2

Artist rk post

Collector # 230

Scryfall Gatherer