Is Haazda Shield Mate legal in Standard, Modern, and Commander?

Haazda Shield Mate is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Haazda Shield Mate?

Haazda Shield Mate is a Creature — Human Soldier. Its oracle text reads: "At the beginning of your upkeep, sacrifice this creature unless you pay {W}{W}. {W}: The next time a source of your choice would deal damage to you this turn, prevent that damage. *The Haazda shield is broad, protecting both the free and the guilded.* Power/Toughness: 1/1"