Is Citanul Centaurs legal in Standard, Modern, and Commander?

Citanul Centaurs is legal in: Legacy, Vintage, Commander.

What type of card is Citanul Centaurs?

Citanul Centaurs is a Creature — Centaur. Its oracle text reads: "Shroud (This creature can't be the target of spells or abilities.) Echo {3}{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.)"

Citanul Centaurs

Creature — Centaur

Shroud (This creature can't be the target of spells or abilities.)

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 Rare

Mana Value 4

Artist Val Mayerik

Collector # 243

Scryfall Gatherer