Phrav Library Guard

Enchantment spells you cast cost {1} less to cast.
Runic Proficiency — Whenever you cast an enchantment spell, Phrav Library Guard
gets +2/+0 and gains vigilance and lifelink
until end of turn.
"Given the Dimir's recent advances in intelligence gathering, we have to reinforce our security."
—Brenus, Azorius King