flavorText: When these apes want something, it's a matter of gibbon take.
name: Hidden Gibbons
originalText: When one of your opponents successfully casts an instant or interrupt spell, if Hidden Gibbons is an enchantment, Hidden Gibbons becomes a 4/4 creature that counts as an Ape.
printings: ULG
text: When an opponent casts an instant spell, if this permanent is an enchantment, it becomes a 4/4 Ape creature.
type: Enchantment