Advanced format ruling
Cocoon Veil
Card effect (current official text)Activate by Tributing 1 face-up "Chrysalis" monster. This turn, any damage to a player caused by an effect becomes 0. Special Summon 1 "Neo-Spacian" monster written on the "Chrysalis" monster you Tributed from your hand, Deck or from either player's Graveyard.
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.