"Powered-Up Explosion Magic" Megumin (KS/W55-E053 R)

[CONT] This card gets +500 power for each of your other "Adventurer" or "Magic" characters. [AUTO] When this card is placed on the stage from your hand, choose up to one character in your hand with level lower than or equal to your level, put it on any position of your stage, and this card gets +2000 power until end of turn. [AUTO] [(3) Put two cards from your hand into your waiting room] When this card attacks, you may pay the cost. If you do, deal 5 damage to your opponent. (This damage may be canceled)