Is Topography Tracker legal in Standard, Modern, and Commander?

Topography Tracker is legal in: Legacy, Vintage, Commander.

Topography Tracker

Q: What type of card is Topography Tracker?

Topography Tracker is a Creature — Merfolk Scout. Its oracle text reads: "When this creature enters, create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.") If a creature you control would explore, instead it explores, then it explores again. *"Good thing I'm not afraid of heights."* Power/Toughness: 2/2"

Creature — Merfolk Scout

When this creature enters, create a Map token. (It's an artifact with ", , Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")