Samyaza, Giver of Names

Flying, Indestructible
Whenever you would cast a spell with the same name as another card in your graveyard, exile, or battlefield, you gain 5 life.
As they sang, a single mote of something, of nothing, passed through the Angel’s light and cast a speck of a shadow down upon the earth. Beneath the stars, that shadow looked back at the heavens and saw himself for the first time.