Is Kavu Scout legal in Standard, Modern, and Commander?

Kavu Scout is legal in: Legacy, Vintage, Commander, Pauper.

Kavu Scout

Q: What type of card is Kavu Scout?

Kavu Scout is a Creature — Kavu Scout. Its oracle text reads: "Domain — This creature gets +1/+0 for each basic land type among lands you control. *The kavu evolved for centuries deep inside Dominaria, and some can draw from its strength.* Power/Toughness: 0/2"