Is Kimahri, Valiant Guardian legal in Standard, Modern, and Commander?

Kimahri, Valiant Guardian is legal in: Legacy, Vintage, Commander.

Kimahri, Valiant Guardian

Q: What type of card is Kimahri, Valiant Guardian?

Kimahri, Valiant Guardian is a Legendary Creature — Cat Warrior. Its oracle text reads: "Vigilance Ronso Rage — At the beginning of combat on your turn, put a +1/+1 counter on Kimahri and tap target creature an opponent controls. Then you may have Kimahri become a copy of that creature, except its name is Kimahri, Valiant Guardian and it has vigilance and this ability."

Legendary Creature — Cat Warrior

Vigilance

Ronso Rage — At the beginning of combat on your turn, put a +1/+1 counter on Kimahri and tap target creature an opponent controls. Then you may have Kimahri become a copy of that creature, except its name is Kimahri, Valiant Guardian and it has vigilance and this ability.

Set Final Fantasy Commander

Rarity Rare

Mana Value 4

Artist Christian Angel

Collector # 85

Scryfall