Blue Flight Dragon, Trans-core Dragon

Card Effect(s) [AUTO] Limit Break 4 (This ability is active if you have four or more damage):When a «Aqua Force» rides this unit, choose your vanguard, and until end of turn, that unit gets [Power]+10000 and "[AUTO](VC):When this unit attacks a vanguard, your opponent may choose a card from his or her hand, and discard it. If your opponent does not, until end of that battle, this unit gets [Critical]+1, and your opponent cannot call units to (GC) from his or her hand.".
[AUTO](VC):When this unit attacks a vanguard, this unit gets [Power]+2000 until end of that battle.
[CONT](VC/RC): Lord (If you have a unit without a same clan as this unit, this unit cannot attack)