Blue Storm Karma Dragon, Maelstrom "Reverse" (DZ-BT15/017EN) [Strike of Illusionary Shadows]

[CONT](VC):During your turn, for each of your locked cards, all of your units get [Power]+5000. [ACT](VC)[1/Turn]:[COST][Soul-Blast 1], choose one of your rear-guards with only for its clan or one of your rear-guards, and it gets"[AUTO](RC):At the end of the battle this unit attacked, if it is the first battle of this turn, [COST][Soul-Blast 1] card with "Maelstrom" in its card name or [Counter-Blast 1], choose one of your rear-guards, and swap that unit's position with this unit." until end of turn. [AUTO](VC):At the end of the battle your rear-guard attacked, you may lock the unit that attacked. [AUTO](VC):When this unit attacks, if it is the fourth battle this turn or more, draw a card, choose one of your opponent's rear-guards, and retire it. Then, if your damage zone has four or more cards, or you persona rode this turn, this unit gets [Critical]+1 until end of that battle.