Is Sand Golem legal in Standard, Modern, and Commander?

Sand Golem is legal in: Legacy, Vintage, Commander.

Sand Golem

Q: What type of card is Sand Golem?

Sand Golem is an Artifact Creature — Golem. Its oracle text reads: "When a spell or ability an opponent controls causes you to discard Sand Golem, return Sand Golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step."

Artifact Creature — Golem

When a spell or ability an opponent controls causes you to discard Sand Golem, return Sand Golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step.

Set Mirage

Rarity Uncommon

Artist John Matson