Is Guardian of Tazeem legal in Standard, Modern, and Commander?

Guardian of Tazeem is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Guardian of Tazeem

Q: What type of card is Guardian of Tazeem?

Guardian of Tazeem is a Creature — Sphinx. Its oracle text reads: "Flying Landfall — Whenever a land you control enters, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step. Power/Toughness: 4/5"

Creature — Sphinx

Flying

Landfall — Whenever a land you control enters, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.

Power/Toughness: 4/5

Set Battle for Zendikar

Rarity Rare

Mana Value 5

Artist Zack Stella

Collector # 78

Scryfall