Ophelia, Moxencrafter

Nontoken artifacts you control with converted
mana cost zero have: "{t}: add one mana of any
color."
When Ophelia, Moxencrafter enters the battlefield, you may search your library for any
number of artifacts with converted mana cost
zero and put them into your hand. If you do,
shuffle your library. For each card put into your
hand this way, discard a card.