To Wish Upon a Raven

Mill three spells. You gain 3 life.
To wish upon a raven/One must first grow its wings/
To wish upon a raven/Waste not time on petty things/
To wish upon a raven/Knowing suffering is key/
To wish upon a raven/Knowing tragedy of banshees/
To wish upon a raven/You must forget who you are/
To wish upon a raven/Only then will you go far/
To wish upon a raven/Ignorance you overcome/
And if you wish upon a raven/The raven you become