Is Bloodthirsty Adversary legal in Standard, Modern, and Commander?

Bloodthirsty Adversary is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Bloodthirsty Adversary

Q: What type of card is Bloodthirsty Adversary?

Bloodthirsty Adversary is a Creature — Vampire. Its oracle text reads: "Haste When this creature enters, you may pay {2}{R} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs. Power/Toughness: 2/2"

Creature — Vampire

Haste

When this creature enters, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then exile up to that many target instant and/or sorcery cards with mana value 3 or less from your graveyard and copy them. You may cast any number of the copies without paying their mana costs.