Is Fang of the Pack legal in Standard, Modern, and Commander?

Fang of the Pack is legal in: Legacy, Vintage, Commander.

Fang of the Pack

Q: What type of card is Fang of the Pack?

Fang of the Pack is a Creature — Wolf. Its oracle text reads: "Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) At the beginning of combat on your turn, another target creature you control gains melee until end of turn. (If a creature has multiple instances of melee, each triggers separately.)"

Creature — Wolf

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)

At the beginning of combat on your turn, another target creature you control gains melee until end of turn. (If a creature has multiple instances of melee, each triggers separately.)

Set Conspiracy: Take the Crown

Rarity Uncommon

Mana Value 6

Artist Izzy

Collector # 65

Scryfall Gatherer