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

Chomping Kavu is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Chomping Kavu

Q: What type of card is Chomping Kavu?

Chomping Kavu is a Creature — Kavu. Its oracle text reads: "Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) This creature can't be blocked by creatures with power 2 or less. Power/Toughness: 3/3"

Creature — Kavu

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

This creature can't be blocked by creatures with power 2 or less.

Power/Toughness: 3/3

Set March of the Machine

Rarity Common

Mana Value 4

Artist John Tedrick

Collector # 179

Scryfall