Is Darigaaz, the Igniter legal in Standard, Modern, and Commander?

Darigaaz, the Igniter is legal in: Legacy, Vintage, Commander.

What type of card is Darigaaz, the Igniter?

Darigaaz, the Igniter is a Legendary Creature — Dragon. Its oracle text reads: "Flying Whenever Darigaaz deals combat damage to a player, you may pay {2}{R}. If you do, choose a color, then that player reveals their hand and Darigaaz deals damage to the player equal to the number of cards of that color revealed this way."

Darigaaz, the Igniter

Legendary Creature — Dragon

Flying

Whenever Darigaaz deals combat damage to a player, you may pay . If you do, choose a color, then that player reveals their hand and Darigaaz deals damage to the player equal to the number of cards of that color revealed this way.