In the Heat of Battle, Utai (AW/S43-E072 C) [Accel World -Infinite Burst-]

[AUTO] [Put a card from your hand into your waiting room] When this card is placed on the stage from your hand, you may pay the cost. If you do, choose a cost 0 or lower character on your opponent's back stage, and put it into your opponent's waiting room. [AUTO] When your other "Avatar" or "Net" character attacks, this card gets +1500 power until end of turn.