OskarVanBruce said: 水&木符「ウォーターエルフ」 Water & Wood Sign "Water Elf"
The first thing that comes to my mind when I saw this picture is "Princess Undine". Didn't really expect this to be the elf. Ah well, I haven't seen this spellcard in ages.
Hm, the artist did tag this as 水符「プリンセスウンディネ」 Water Sign "Princess Undine"
But, Princess Undine has lasers and purple bullets. Small blue bullets with big yellow-green bullets, that's Water Elf. Probably a mistake on the part of the artist.