Is Putrefying Rotboar legal in Standard, Modern, and Commander?

Putrefying Rotboar is legal in: Historic.

Putrefying Rotboar

Q: What type of card is Putrefying Rotboar?

Putrefying Rotboar is a Creature — Elemental Boar. Its oracle text reads: "Lifelink Whenever a Boar you control attacks, each nonland card in defending player's hand perpetually gains "When you cast this spell, you lose 1 life." Power/Toughness: 4/5"