Is Bounty of the Luxa legal in Standard, Modern, and Commander?

Bounty of the Luxa is legal in: Modern, Pioneer, Legacy, Vintage, Commander.

Bounty of the Luxa

Q: What type of card is Bounty of the Luxa?

Bounty of the Luxa is an Enchantment. Its oracle text reads: "At the beginning of your first main phase, remove all flood counters from this enchantment. If no counters were removed this way, put a flood counter on this enchantment and draw a card. Otherwise, add {C}{G}{U}."

Enchantment

At the beginning of your first main phase, remove all flood counters from this enchantment. If no counters were removed this way, put a flood counter on this enchantment and draw a card. Otherwise, add .