Promise to Be Kept, LLENN (Silver Stamp) [SAO Alternative–Gun Gale Online]

[CONT] If you have another level 3 or higher character, this card gets +1000 power. [AUTO] When this card is placed on the stage from your hand or by the [AUTO] effect of "Cleansing with Grenades! Fukaziroh", you may put the top card of your clock into your waiting room. [AUTO] [Put 2 cards from your hand into your waiting room] When this card attacks, you may pay the cost. If you do, deal 1 damage to your opponent. (Damage may be canceled)