Is Shield Broker legal in Standard, Modern, and Commander?

Shield Broker is legal in: Legacy, Vintage, Commander.

Shield Broker

Q: What type of card is Shield Broker?

Shield Broker is a Creature — Octopus Advisor. Its oracle text reads: "When this creature enters, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Power/Toughness: 3/4"

Creature — Octopus Advisor

When this creature enters, put a shield counter on target noncommander creature you don't control. You gain control of that creature for as long as it has a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

Power/Toughness: 3/4

Set New Capenna Commander

Rarity Rare

Mana Value 5

Artist Daniel Ljunggren

Collector # 29

Scryfall