Is Clinging Anemones legal in Standard, Modern, and Commander?

Clinging Anemones is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper.

Clinging Anemones

Q: What type of card is Clinging Anemones?

Clinging Anemones is a Creature — Jellyfish. Its oracle text reads: "Defender Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)"

Creature — Jellyfish

Defender

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Set Gatecrash

Rarity Common

Mana Value 4

Artist Mike Bierek

Collector # 31

Scryfall Gatherer