Is Viashino Sandstalker legal in Standard, Modern, and Commander?

Viashino Sandstalker is legal in: Modern, Legacy, Vintage, Commander.

What type of card is Viashino Sandstalker?

Viashino Sandstalker is a Creature — Lizard Warrior. Its oracle text reads: "Haste (This creature can attack and {T} as soon as it comes under your control.)At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)"

Viashino Sandstalker

Creature — Lizard Warrior

Haste (This creature can attack and as soon as it comes under your control.)<br>At the beginning of the end step, return Viashino Sandstalker to its owner's hand. (Return it only if it's on the battlefield.)