Eradicator, First Thunder Dracokid

:Forerunner (When a unit of the same clan rides this unit, you may call this unit to ) :[Put this unit into your soul] When your opponent's rear-guard is put into the drop zone due to an effect from one of your cards, if you have a grade 3 or greater vanguard with "Eradicator" in its card name, you may pay the cost. If you do, look at up to ten cards from the top of your deck, search for up to one card named "Eradicator, Sweep Command Dragon" from among them, ride it, and shuffle your deck.