Is Thoughtweft Trio legal in Standard, Modern, and Commander?

Thoughtweft Trio is legal in: Modern, Legacy, Vintage, Commander.

Thoughtweft Trio

Q: What type of card is Thoughtweft Trio?

Thoughtweft Trio is a Creature — Kithkin Soldier. Its oracle text reads: "First strike, vigilance Champion a Kithkin (When this enters, sacrifice it unless you exile another Kithkin you control. When this leaves the battlefield, that card returns to the battlefield.) This creature can block any number of creatures. Power/Toughness: 5/5"

Creature — Kithkin Soldier

First strike, vigilance

Champion a Kithkin (When this enters, sacrifice it unless you exile another Kithkin you control. When this leaves the battlefield, that card returns to the battlefield.)

This creature can block any number of creatures.

Power/Toughness: 5/5

Set Lorwyn

Rarity Rare

Mana Value 4

Artist Wayne Reynolds

Collector # 44

Scryfall