Is Hog-Monkey legal in Standard, Modern, and Commander?

Hog-Monkey is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Hog-Monkey

Q: What type of card is Hog-Monkey?

Hog-Monkey is a Creature — Boar Monkey. Its oracle text reads: "At the beginning of combat on your turn, target creature you control with a +1/+1 counter on it gains menace until end of turn. (It can't be blocked except by two or more creatures.) Exhaust — {5}: Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.)"

Creature — Boar Monkey

$0.09 ↗20 similarCommander, Modern

At the beginning of combat on your turn, target creature you control with a +1/+1 counter on it gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Exhaust — : Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.)