Is Trapjaw Kelpie legal in Standard, Modern, and Commander?

Trapjaw Kelpie is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Trapjaw Kelpie

Q: What type of card is Trapjaw Kelpie?

Trapjaw Kelpie is a Creature — Beast. Its oracle text reads: "Flash Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) *Travelers in these waters leave a bit of themselves behind.* Power/Toughness: 3/3"

Creature — Beast

Flash

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

*Travelers in these waters leave a bit of themselves behind.*

Power/Toughness: 3/3

Set Eventide

Rarity Common

Mana Value 6

Artist Lars Grant-West

Collector # 164

Scryfall