Is Digsite Conservator legal in Standard, Modern, and Commander?

Digsite Conservator is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

What type of card is Digsite Conservator?

Digsite Conservator is an Artifact Creature — Gnome. Its oracle text reads: "Sacrifice this creature: Exile up to four target cards from a single graveyard. Activate only as a sorcery. When this creature dies, you may pay {4}. If you do, discover 4. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)"

Digsite Conservator

Artifact Creature — Gnome

Sacrifice this creature: Exile up to four target cards from a single graveyard. Activate only as a sorcery.

When this creature dies, you may pay . If you do, discover 4. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)