Warning Before the Battle, Illya (FS/S34-E087 C) [Fate/Stay Night [Unlimited Blade Works]]

[CONT] If there is a marker underneath this card, this card gets"[CONT] Assist All of your characters in front of this card get +1000 power. [AUTO] When this card is placed on the stage from your hand, choose up to one card named "Warning before the Battle, Illya" in your hand, reveal it to your opponent, and put it face down underneath this card as a marker.