Crown of Convergence

Artifact, 2 (2)
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.
Illus. Jen Page

Gatherer Card Rulings [Nov 2009]

• 10/1/2005: A colorless creature on top of your library never gives a bonus, and a colorless creature on the battlefield never gets a bonus.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (1/9)	Ravnica: City of Guilds (Rare)