Is Tectonic Fiend legal in Standard, Modern, and Commander?

Tectonic Fiend is legal in: Modern, Legacy, Vintage, Commander.

Tectonic Fiend

Q: What type of card is Tectonic Fiend?

Tectonic Fiend is a Creature — Elemental. Its oracle text reads: "Echo {4}{R}{R} (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.) This creature attacks each combat if able."

Creature — Elemental

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.)

This creature attacks each combat if able.

Set Time Spiral

Rarity Uncommon

Mana Value 6

Artist Mark Tedin

Collector # 181

Scryfall Gatherer