Is Space Marine Devastator legal in Standard, Modern, and Commander?

Space Marine Devastator is legal in: Legacy, Vintage, Commander.

What type of card is Space Marine Devastator?

Space Marine Devastator is a Creature — Astartes Warrior. Its oracle text reads: "Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters, create that many tokens that are copies of it.) Grav-cannon — When this creature enters, destroy up to one target artifact or enchantment."

Space Marine Devastator

Creature — Astartes Warrior

Squad (As an additional cost to cast this spell, you may pay any number of times. When this creature enters, create that many tokens that are copies of it.)