Is Disciple of Phenax legal in Standard, Modern, and Commander?

Disciple of Phenax is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Disciple of Phenax

Q: What type of card is Disciple of Phenax?

Disciple of Phenax is a Creature — Human Cleric. Its oracle text reads: "When Disciple of Phenax enters, target player reveals a number of cards from their hand equal to your devotion to black. You choose one of them. That player discards that card. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)"

Creature — Human Cleric

When Disciple of Phenax enters, target player reveals a number of cards from their hand equal to your devotion to black. You choose one of them. That player discards that card. (Each in the mana costs of permanents you control counts toward your devotion to black.)

Set Pioneer Masters

Rarity Common

Artist John Severin Brassell