Is Effluence Devourer legal in Standard, Modern, and Commander?

Effluence Devourer is legal in: Historic.

Effluence Devourer

Q: What type of card is Effluence Devourer?

Effluence Devourer is a Creature — Crocodile. Its oracle text reads: "Whenever you sacrifice Effluence Devourer or another creature, it perpetually gains "{2}, Exile this card from your graveyard: Create an X/X green Ooze creature token, where X is this card's power. Activate only as a sorcery." Blitz {B}{R}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) Power/Toughness: 4/3"

Creature — Crocodile

Whenever you sacrifice Effluence Devourer or another creature, it perpetually gains ", Exile this card from your graveyard: Create an X/X green Ooze creature token, where X is this card's power. Activate only as a sorcery."

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Power/Toughness: 4/3

Set Alchemy: New Capenna

Rarity Mythic Rare

Mana Value 3

Artist Gaboleps

Collector # 23

Scryfall