Is Chaos Harlequin legal in Standard, Modern, and Commander?

Chaos Harlequin is legal in: Legacy, Vintage, Commander.

Chaos Harlequin

Q: What type of card is Chaos Harlequin?

Chaos Harlequin is a Creature — Human. Its oracle text reads: "{R}: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn."

Creature — Human

: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn.

Set Alliances

Rarity Rare

Artist Alan Rabinowitz