Is Goblin Heelcutter legal in Standard, Modern, and Commander?

Goblin Heelcutter is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Goblin Heelcutter?

Goblin Heelcutter is a Creature — Goblin Berserker. Its oracle text reads: "Whenever Goblin Heelcutter attacks, target creature can't block this turn.Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)"

Goblin Heelcutter

Creature — Goblin Berserker

Whenever Goblin Heelcutter attacks, target creature can't block this turn.<br>Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)