Metalborg, Sin Buster

:[Legion 20000]"Metalborg, Ur Buster"(If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion) :When this unit attacks a vanguard, if this unit is [Legion], and this unit's is 30000 or greater, until end of that battle, your opponent cannot call grade 1 or greater units from hand to . :When this unit attacks a vanguard, if this unit's is 20000 or greater, until end of that battle, this unit gets ":When this unit's attack hits, draw a card.".