Is Powder Keg legal in Standard, Modern, and Commander?

Powder Keg is legal in: Legacy, Vintage, Commander.

What type of card is Powder Keg?

Powder Keg is an Artifact. Its oracle text reads: "At the beginning of your upkeep, you may put a fuse counter on this artifact. {T}, Sacrifice this artifact: Destroy each artifact and creature with mana value equal to the number of fuse counters on this artifact."