Yuraya's Spell Bible

Yuraya's Spell Bible enters with {x} spell counters on them.
Blue spell and White spells you cast cost {2} less to cast.
{t}: Remove a spell counter from Yuraya's Spell Bible. Return target white or blue spell from your graveyard to your hand. Then you may cast a spell without paying its mana cost if it's converted mana cost is equal to or less than the number of spell counters on Yuraya's Spell Bible.