Is Lagomos, Hand of Hatred legal in Standard, Modern, and Commander?

Lagomos, Hand of Hatred is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Lagomos, Hand of Hatred

Q: What type of card is Lagomos, Hand of Hatred?

Lagomos, Hand of Hatred is a Legendary Creature — Human Shaman. Its oracle text reads: "At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step. {T}: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn. Power/Toughness: 1/3"

Legendary Creature — Human Shaman

At the beginning of combat on your turn, create a 2/1 red Elemental creature token with trample and haste. Sacrifice it at the beginning of the next end step.

: Search your library for a card, put it into your hand, then shuffle. Activate only if five or more creatures died this turn.