Is Knight of Sursi legal in Standard, Modern, and Commander?

Knight of Sursi is legal in: Modern, Legacy, Vintage, Commander, Pauper.

What type of card is Knight of Sursi?

Knight of Sursi is a Creature — Human Knight. Its oracle text reads: "Flying; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Suspend 3—{W} (Rather than cast this card from your hand, you may pay {W} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)"

Knight of Sursi

Creature — Human Knight

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

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Set Time Spiral Remastered

Rarity Common

Mana Value 4

Artist Cyril Van Der Haegen

Collector # 22

Scryfall Gatherer