Is Deathbringer Thoctar legal in Standard, Modern, and Commander?

Deathbringer Thoctar is legal in: Modern, Legacy, Vintage, Commander.

Deathbringer Thoctar

Q: What type of card is Deathbringer Thoctar?

Deathbringer Thoctar is a Creature — Zombie Beast. Its oracle text reads: "Whenever another creature dies, you may put a +1/+1 counter on this creature. Remove a +1/+1 counter from this creature: It deals 1 damage to any target. Power/Toughness: 3/3"