Is Dimension X Pizzasaur legal in Standard, Modern, and Commander?

Dimension X Pizzasaur is legal in: Legacy, Vintage, Commander.

Dimension X Pizzasaur

Q: What type of card is Dimension X Pizzasaur?

Dimension X Pizzasaur is an Artifact Creature — Food Alien Mutant. Its oracle text reads: "When this creature enters, put two +1/+1 counters on target creature. When you do, destroy up to one target creature with mana value less than or equal to the number of counters among permanents you control. {2}, {T}, Sacrifice this creature: You gain 3 life and each opponent loses 3 life."

Artifact Creature — Food Alien Mutant

When this creature enters, put two +1/+1 counters on target creature. When you do, destroy up to one target creature with mana value less than or equal to the number of counters among permanents you control.

, , Sacrifice this creature: You gain 3 life and each opponent loses 3 life.