Theese are NOT viking runes. They are an older Rune alphabet, from around year 500 and earlier. They are called the elder futhark. The viking Rune alphabets have usually only 16 runes and there are several different alphabets from that time.
Artist: Unknown - Title: Unknown - Card: Skydreaming Fleet Horse (Sorcery) ♥ I rarely succeed in finding an artist for cards. Shame really, I'd love for them to get as much credit as any other fantasy artist.
A structure of the world tree Yggdrasil of nordic mythology and the nine realms/worlds. This is from a never finished RPG-project called The Children of. Yggdrasil - The nine worlds of nordic mythology