Phantom Blaster Dragon (Secret)

[AUTO] Limit Break 4 (This ability is active if you have four or more damage):[Soul Blast (3)] When a Shadow Paladin rides this unit, you may pay the cost. If you do, choose your vanguard, and until end of turn, that unit gets [Power]+10000, and [AUTO](VC):[Choose three of your rear-guards, and retire them] When this unit attacks a vanguard, you may pay the cost. If you do, draw two cards, choose three cards from your damage zone, turn them face up, and until end of that battle, your opponent cannot call grade 1 or greater cards from hand to (GC)..
[AUTO]:[Choose one of your rear-guards, and retire it] When this unit is placed on (VC), you may pay the cost. If you do, search your deck for up to one card with Blaster in its card name, reveal it to your opponent, put it into your hand, and shuffle your deck.