Is Riftmarked Knight legal in Standard, Modern, and Commander?

Riftmarked Knight is legal in: Modern, Legacy, Vintage, Commander.

Riftmarked Knight

Q: What type of card is Riftmarked Knight?

Riftmarked Knight is a Creature — Human Rebel Knight. Its oracle text reads: "Protection from black; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Suspend 3—{1}{W}{W} When the last time counter is removed from this card while it's exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste."

Creature — Human Rebel Knight

Protection from black; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Suspend 3—

When the last time counter is removed from this card while it's exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste.

Set Time Spiral Remastered

Rarity Uncommon

Mana Value 3

Artist William O'Connor

Collector # 38

Scryfall Gatherer