Oracle Text

Exile target creature. Create a colorless artifact token named Gold. It has "Sacrifice this artifact: Add one mana of any color."

Card Rulings

2/1/2014 You will control the token, no matter who controls the target creature.
2/1/2014 If the creature isn’t a legal target as Gild tries to resolve, the spell won’t resolve and none of its effects will happen. No token will be created.