Is Territorial Scythecat legal in Standard, Modern, and Commander?

Territorial Scythecat is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Territorial Scythecat

Q: What type of card is Territorial Scythecat?

Territorial Scythecat is a Creature — Cat. Its oracle text reads: "Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Landfall — Whenever a land you control enters, put a +1/+1 counter on this creature."