Metalborg, Sin Buster (RRR)

[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 to (GC) from his or her hand.
[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..