Is Shadow Urchin legal in Standard, Modern, and Commander?

Shadow Urchin is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Shadow Urchin

Q: What type of card is Shadow Urchin?

Shadow Urchin is a Creature — Ouphe. Its oracle text reads: "Whenever this creature attacks, blight 1. (Put a -1/-1 counter on a creature you control.) Whenever a creature you control with one or more counters on it dies, exile that many cards from the top of your library. Until your next end step, you may play those cards."

Creature — Ouphe

$0.23 ↗20 similarCommander, Modern

Whenever this creature attacks, blight 1. (Put a -1/-1 counter on a creature you control.)

Whenever a creature you control with one or more counters on it dies, exile that many cards from the top of your library. Until your next end step, you may play those cards.

Set Lorwyn Eclipsed

Rarity Rare

Mana Value 3

Artist Ron Spencer

Collector # 242