Wavering Heart, Welf (DDM/S88-E062 C) [Is it Wrong to Try to Pick Up Girls in a Dungeon?]

[AUTO] When this card is placed on the stage from your hand, all players perform the following action. "If your memory has 5 or more cards, choose 4 cards in your memory, and put all cards in your memory except those cards into your waiting room." [AUTO] When this card attacks, reveal the top card of your deck. If that card has [SOUL] in its trigger icon, choose 1 of your other characters, [REST] It, and move it to an open position of your back stage. (Return the revealed card to its original place)