Is Sarkhan, Fireblood legal in Standard, Modern, and Commander?

Sarkhan, Fireblood is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Sarkhan, Fireblood

Q: What type of card is Sarkhan, Fireblood?

Sarkhan, Fireblood is a Legendary Planeswalker — Sarkhan. Its oracle text reads: "+1: You may discard a card. If you do, draw a card. +1: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells. −7: Create four 5/5 red Dragon creature tokens with flying."