Is Riftwing Cloudskate legal in Standard, Modern, and Commander?

Riftwing Cloudskate is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Riftwing Cloudskate?

Riftwing Cloudskate is a Creature — Illusion. Its oracle text reads: "Flying When this creature enters, return target permanent to its owner's hand. Suspend 3—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} 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.)"

Riftwing Cloudskate

Creature — Illusion

Flying

When this creature enters, return target permanent to its owner's hand.

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.)