Metalborg, Sin Buster

[ACT](VC): Legion20000 "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) [AUTO](VC):When this unit attacks a vanguard, if this unit is in Legion, and this unit's [Power] is 30000 or greater, until end of that battle, your opponent cannot call grade 1 or greater units from hand to (GC). [AUTO](VC):When this unit attacks a vanguard, if this unit's [Power] is 20000 or greater, until end of that battle, this unit gets "[AUTO](VC):When this unit's attack hits, draw a card.".