Ral, Guild Master

+2: Search in your library for a instant card with converted mana cost equal or less to the number of loyalty counters on Ral, Guild Master.
-1: Until end of turn, Ral, Guild Master becomes a Human Wizard creature with power and toughness each equal the number of loyalty counters on him.
-10: Cast any number of instant and/or sorcery spell cards from your hand and/or graveyard without paying their mana costs.