Is Uchuulon legal in Standard, Modern, and Commander?

Uchuulon is legal in: Legacy, Vintage, Commander.

Uchuulon

Q: What type of card is Uchuulon?

Uchuulon is a Creature — Crab Ooze Horror. Its oracle text reads: "Uchuulon's power is equal to the number of Crabs, Oozes, and/or Horrors you control. Horrific Symbiosis — At the beginning of your end step, exile up to one target creature card from an opponent's graveyard. If you do, create a token that's a copy of this creature. Power/Toughness: */4"

Creature — Crab Ooze Horror

Uchuulon's power is equal to the number of Crabs, Oozes, and/or Horrors you control.

Horrific Symbiosis — At the beginning of your end step, exile up to one target creature card from an opponent's graveyard. If you do, create a token that's a copy of this creature.

Power/Toughness: */4

Set Commander Legends: Battle for Baldur's Gate

Rarity Rare

Mana Value 4

Artist Sam Burley

Collector # 673

Scryfall