Is Murk Dwellers legal in Standard, Modern, and Commander?

Murk Dwellers is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Murk Dwellers?

Murk Dwellers is a Creature — Zombie. Its oracle text reads: "Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat."

Creature — Zombie

Whenever Murk Dwellers attacks and isn't blocked, it gets +2/+0 until end of combat.

Set The Dark

Rarity Common

Artist Drew Tucker

Creature Commander Pauper Legacy