Is Chandra, Fire Artisan legal in Standard, Modern, and Commander?

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

Chandra, Fire Artisan

Q: What type of card is Chandra, Fire Artisan?

Chandra, Fire Artisan is a Legendary Planeswalker — Chandra. Its oracle text reads: "Whenever one or more loyalty counters are removed from Chandra, she deals that much damage to target opponent or planeswalker. +1: Exile the top card of your library. You may play it this turn. −7: Exile the top seven cards of your library. You may play them this turn."