flavorText: It wants only to dress you in silk.
name: Hidden Spider
originalText: When one of your opponents successfully casts a creature with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 creature that can block creatures with flying and that counts as a Spider.
printings: USG
text: When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)