Is Kulrath Zealot legal in Standard, Modern, and Commander?

Kulrath Zealot is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Kulrath Zealot

Q: What type of card is Kulrath Zealot?

Kulrath Zealot is a Creature — Elemental Warrior. Its oracle text reads: "When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card. Basic landcycling {1}{R} ({1}{R}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)"