The first spell

you may pay any amount of mana for {x}, search your library for {x} cards.
{w} search your library for a card with {w} in it's mana cost, add it to your hand and shuffle.
{u} search your library for a card with {u} in its mana cost, add it to your hand and shuffle.
{b} search your library for a card with {b} in it's mana cost, add it to your hand and shuffle.
{r} search your library for a card with {r} in its mana cost, add it to your hand and shuffle.
{g} search your library for a card with {g} in i