Is Stadium Headliner legal in Standard, Modern, and Commander?

Stadium Headliner is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Stadium Headliner

Q: What type of card is Stadium Headliner?

Stadium Headliner is a Creature — Goblin Warrior. Its oracle text reads: "Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.) {1}{R}, Sacrifice this creature: It deals damage equal to the number of creatures you control to target creature."

Creature — Goblin Warrior

Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.)

, Sacrifice this creature: It deals damage equal to the number of creatures you control to target creature.