Is Growth-Chamber Guardian legal in Standard, Modern, and Commander?

Growth-Chamber Guardian is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Growth-Chamber Guardian

Q: What type of card is Growth-Chamber Guardian?

Growth-Chamber Guardian is a Creature — Elf Crab Warrior. Its oracle text reads: "{2}{G}: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.) Whenever one or more +1/+1 counters are put on this creature, you may search your library for a card named Growth-Chamber Guardian, reveal it, put it into your hand, then shuffle. Power/Toughness: 2/2"

Creature — Elf Crab Warrior

: Adapt 2. (If this creature has no +1/+1 counters on it, put two +1/+1 counters on it.)

Whenever one or more +1/+1 counters are put on this creature, you may search your library for a card named Growth-Chamber Guardian, reveal it, put it into your hand, then shuffle.

Power/Toughness: 2/2

Set Ravnica Allegiance

Rarity Rare

Mana Value 2

Artist Bram Sels

Collector # 128

Scryfall