Is Ochre Jelly legal in Standard, Modern, and Commander?

Ochre Jelly is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Ochre Jelly

Q: What type of card is Ochre Jelly?

Ochre Jelly is a Creature — Ooze. Its oracle text reads: "Trample This creature enters with X +1/+1 counters on it. Split — When this creature dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down. Power/Toughness: 0/0"

Creature — Ooze

Trample

This creature enters with X +1/+1 counters on it.

Split — When this creature dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down.

Power/Toughness: 0/0

Set Adventures in the Forgotten Realms

Rarity Rare

Mana Value 1

Artist Daarken

Collector # 196

Scryfall