Ambush Demon Stealth Rogue, Shishiyuzuki

(Usable when both fighters' vanguards are grade 3 or greater, and the number of face up G guardians in your G zone is three or less)-Opponent Turn's Guard Step-[Choose a card with " Heal" from your hand, and discard it] Call this card to your from face down. :When this unit is placed on during the battle that your vanguard was attacked by your opponent's vanguard, choose up to one of your rear-guards, move it to , and that unit gets +5000 until end of that battle. Search your deck for up to one card with the same card name as that unit, call it to , and shuffle your deck.