Is Chancellor of the Forge legal in Standard, Modern, and Commander?

Chancellor of the Forge is legal in: Modern, Legacy, Vintage, Commander.

Chancellor of the Forge

Q: What type of card is Chancellor of the Forge?

Chancellor of the Forge is a Creature — Phyrexian Giant. Its oracle text reads: "You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, create a 1/1 red Phyrexian Goblin creature token with haste. When this creature enters, create X 1/1 red Phyrexian Goblin creature tokens with haste, where X is the number of creatures you control. Power/Toughness: 5/5"

Creature — Phyrexian Giant

You may reveal this card from your opening hand. If you do, at the beginning of the first upkeep, create a 1/1 red Phyrexian Goblin creature token with haste.

When this creature enters, create X 1/1 red Phyrexian Goblin creature tokens with haste, where X is the number of creatures you control.

Power/Toughness: 5/5

Set New Phyrexia

Rarity Rare

Mana Value 7

Artist Chippy

Collector # 81

Scryfall