It's a bird! No, it's a plane! No, it's a rune!!! Ehwaz, to be precise. A rune of progress, movement, and change, and the third rune in Ty'rs Aett.

Music by Onetent

Sources: The Book of Runes by Ralph H Blum; Rune Oracle by Lona Eversden; Runes Illustrated by Rachel Newcombe; and Runes For Beginners by Alexandra Chauran.