Is Riders of the Mark legal in Standard, Modern, and Commander?

Riders of the Mark is legal in: Modern, Legacy, Vintage, Commander, Historic.

Riders of the Mark

Q: What type of card is Riders of the Mark?

Riders of the Mark is a Creature — Human Knight. Its oracle text reads: "Affinity for Humans (This spell costs {1} less to cast for each Human you control.) Trample, haste At the beginning of your end step, if this creature attacked this turn, return it to its owner's hand. If you do, create a number of 1/1 white Human Soldier creature tokens equal to its toughness."

Creature — Human Knight

Affinity for Humans (This spell costs less to cast for each Human you control.)

Trample, haste

At the beginning of your end step, if this creature attacked this turn, return it to its owner's hand. If you do, create a number of 1/1 white Human Soldier creature tokens equal to its toughness.

Set The Lord of the Rings: Tales of Middle-earth

Rarity Rare

Mana Value 7

Artist Antonio José Manzanedo

Collector # 827

Scryfall Gatherer