Dovah of the Spire

Flying, Haste, Prowess

When this creature deals combat damage to a player, exile an instant or sorcery from their graveyard. You may cast that spell for as long as it remains exiled and you may spend mana of any color to cast that spell.

Spells you cast that you don't own cost {1} less to cast. After casting a spell from exile, you gain 3 life.