Is Earthen Goo legal in Standard, Modern, and Commander?

Earthen Goo is legal in: Modern, Legacy, Vintage, Commander.

Earthen Goo

Q: What type of card is Earthen Goo?

Earthen Goo is a Creature — Ooze. Its oracle text reads: "Trample Cumulative upkeep {R} or {G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) This creature gets +1/+1 for each age counter on it."

Creature — Ooze

Trample

Cumulative upkeep or (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)