Is Tunnel Tipster legal in Standard, Modern, and Commander?

Tunnel Tipster is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Tunnel Tipster

Q: What type of card is Tunnel Tipster?

Tunnel Tipster is a Creature — Mole Scout. Its oracle text reads: "At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on this creature. {T}: Add {G}."

Creature — Mole Scout

At the beginning of your end step, if a face-down creature entered the battlefield under your control this turn, put a +1/+1 counter on this creature.

: Add .