Is Grim Harvest legal in Standard, Modern, and Commander?

Grim Harvest is legal in: Modern, Legacy, Vintage, Commander, Pauper.

What type of card is Grim Harvest?

Grim Harvest is an Instant. Its oracle text reads: "Return target creature card from your graveyard to your hand. Recover {2}{B} (When a creature is put into your graveyard from the battlefield, you may pay {2}{B}. If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)"

Grim Harvest

Instant

Return target creature card from your graveyard to your hand.

Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)