Is Crown of Convergence legal in Standard, Modern, and Commander?

Crown of Convergence is legal in: Modern, Legacy, Vintage, Commander.

Crown of Convergence

Q: What type of card is Crown of Convergence?

Crown of Convergence is an Artifact. Its oracle text reads: "Play with the top card of your library revealed. As long as the top card of your library is a creature card, creatures you control that share a color with that card get +1/+1. {G}{W}: Put the top card of your library on the bottom of your library."