Is Oblivion Stone legal in Standard, Modern, and Commander?

Oblivion Stone is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Oblivion Stone?

Oblivion Stone is an Artifact. Its oracle text reads: "{4}, {T}: Put a fate counter on target permanent. {5}, {T}, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents."