Is Infinite Hourglass legal in Standard, Modern, and Commander?

Infinite Hourglass is legal in: Legacy, Vintage, Commander.

Infinite Hourglass

Q: What type of card is Infinite Hourglass?

Infinite Hourglass is an Artifact. Its oracle text reads: "At the beginning of your upkeep, put a time counter on Infinite Hourglass.All creatures get +1/+0 for each time counter on Infinite Hourglass.{3}: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step."

Artifact

At the beginning of your upkeep, put a time counter on Infinite Hourglass.<br>All creatures get +1/+0 for each time counter on Infinite Hourglass.<br>: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.