Artificer's Courier

Flying, vibrant (If this permanent would be put into
the graveyard from the battlefield, if it was one or less
colors, return it to the battlefield tapped under its
owner's control except it's all colors.)
{3}, {t}, Sacrifice Artificer's Courier: Search your library for an artifact card with converted mana
cost equal or less than the number of colors
among permanents you control, reveal it, and put
it into your hand. Then shuffle your library.