Dylan, The Secondborn

Magecraft — Whenever you cast or copy an
instant or sorcery spell, create a 1/1 black Deep
One creature token.
Sacrifice three creatures: Add {b}{b}{b}
Exile three instants and/or sorceries from your graveyard: Add {u}{u}{u}
"And immediately when he was in the sea, he took its nature, and swam as a lord of the deep."