U-boat IXC-class Submarine, U-511 (KC/S42-E033 R) [KanColle: Arrival! Reinforcement Fleets from Europe!]

[AUTO] When this card attacks, this card gets +X power until end of turn. X is equal to 500 multiplied by the number of your opponent's characters. [AUTO] [(1) Put a card from your hand into your waiting room] When this card is put into your waiting room from the stage, you may pay the cost. If you do, choose a card named "Ro-number Submarine, Ro-500" in your waiting room, and put it on any position of your stage as REST.