Detonix Stinger Dragon (G-BT05/028EN) (G-BT05)

[AUTO] Limit Break 4:When a «Narukami» rides this unit, choose up to one of your vanguards, until end of turn, that unit gets [Power]+10000, "[AUTO](VC):[Counter Blast (1)] When this unit attacks a vanguard, if your opponent has no rear-guards in the front row, you may pay the cost. If you do, until end of that battle, your opponent cannot call grade 1 or greater cards from hand to (GC)." and "[CONT](VC):If your opponent has no rear-guards in the back row, this unit gets [Critical]+1.".
[AUTO]:[Soul Blast (1)] When this unit is placed on (VC), you may pay the cost. If you do, each player chooses one of his or her rear-guards, and retires it.