Eradicator, First Thunder Dracokid

<Actinic:Variable Name = 'AUTO'/>: Forerunner (When a unit of the same clan rides this unit, you may call this unit to (RC))
<Actinic:Variable Name = 'AUTO'/>(RC):[Put this unit into your soul] When an opponent's rear-guard is put into the drop zone by your effects from 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.