Is Márton Stromgald legal in Standard, Modern, and Commander?

Márton Stromgald is legal in: Legacy, Vintage, Commander.

Márton Stromgald

Q: What type of card is Márton Stromgald?

Márton Stromgald is a Legendary Creature — Human Knight. Its oracle text reads: "Whenever Márton Stromgald attacks, other attacking creatures get +1/+1 until end of turn for each attacking creature other than Márton Stromgald.Whenever Márton Stromgald blocks, other blocking creatures get +1/+1 until end of turn for each blocking creature other than Márton Stromgald."

Legendary Creature — Human Knight

Whenever Márton Stromgald attacks, other attacking creatures get +1/+1 until end of turn for each attacking creature other than Márton Stromgald.<br>Whenever Márton Stromgald blocks, other blocking creatures get +1/+1 until end of turn for each blocking creature other than Márton Stromgald.

Set Ice Age

Rarity Rare

Artist Mark Poole