Advanced format ruling
Fairy Wind
Card effect (current official text)Destroy as many face-up Spell/Trap Cards on the field as possible (other than this card), and if you do, each player takes damage equal to the total number of cards destroyed by this effect x 300.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.