Battle Siren, Melania

Wave-3rd time or more (This ability is active during the specified battles of each turn): 1 When this unit attacks a vanguard, if you have a grade 3 or greater vanguard with "Thavas" in its card name, you may pay the cost. If you do, draw a card, and this unit gets +5000 until end of that battle. //:Resist (This unit cannot be chosen by the effects of your opponent's cards)