Name:Hidden Spider
ManaCost:G
Types:Enchantment
T:Mode$ SpellCast | ValidCard$ Creature.withFlying | ValidActivatingPlayer$ Opponent | TriggerZones$ Battlefield | IsPresent$ Card.Self+Enchantment | Execute$ TrigAnimate | TriggerDescription$ When an opponent casts a creature spell with flying, if CARDNAME is an enchantment, CARDNAME becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)
SVar:TrigAnimate:AB$Animate | Cost$ 0 | Defined$ Self | Power$ 3 | Toughness$ 5 | Keywords$ Reach | Types$ Creature,Spider | OverwriteTypes$ True | Permanent$ True
SVar:Picture:http://www.wizards.com/global/images/magic/general/hidden_spider.jpg
Oracle: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.)