The Curator

This creature is all colors
Once per turn if you were to draw a card, you
may instead search your library for a card and
add it to your hand, if that card is to ever leave
the battlefield for any reason it is exiled instead
{4}{t}, Shuffle target card from your graveyard
into your library, then draw a card and add mana
of any color equal to its mana value to your mana
pool