Is Selesnya Sentry legal in Standard, Modern, and Commander?

Selesnya Sentry is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper.

Selesnya Sentry

Q: What type of card is Selesnya Sentry?

Selesnya Sentry is a Creature — Elephant Soldier. Its oracle text reads: "{5}{G}: Regenerate this creature. *Ravnicans still tell tales about the Battle of Sumala where four Selesnya sentries held off an entire clan of Gruul warriors.* Power/Toughness: 3/2"