Tomemaster Magus

Flash, Prowess
When you cast Tomecaster Magus, you may cast an instant or sorcery spell with converted mana cost X or less from your graveyard without paying it's mana cost.
Tomemaster Magus enters the battlefield with X +1/+1 counters.
"I've studied these tomes for years, I know every word, and they know me."