Card: Crown of Convergence
Casting Cost: 2
Color: Red
Type: Artifact
Rules Text: 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.

SetRarity
Ravnica: City of GuildsRare