The Five Elders Are at Your Service!!! (OP13-096) - Carrying On His Will Foil

[Main] Look at 3 cards from the top of your deck; reveal up to 1 "Celestial Dragons" type card other than [The Five Elders Are at Your Service!!!] and add it to your hand. Then, trash the rest.
[Trigger] Activate this card's [Main] effect.