Is Axgard Artisan legal in Standard, Modern, and Commander?

Axgard Artisan is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Axgard Artisan

Q: What type of card is Axgard Artisan?

Axgard Artisan is a Creature — Dwarf Artificer. Its oracle text reads: "Whenever one or more +1/+1 counters are put on this creature for the first time each turn, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")"

Creature — Dwarf Artificer

Whenever one or more +1/+1 counters are put on this creature for the first time each turn, create a Treasure token. (It's an artifact with ", Sacrifice this token: Add one mana of any color.")