Play this card or its abilities only if you control a J/ruler with "Wu Xiaohu" in its name and with no attribute.

Enter ⇒ You may search your deck for a card named "Elsa, AAA Attacker", reveal it and put it into your hand. If you do, shuffle your deck.

Whenever a resonator named "Elsa, AAA Attacker" enters the field under your control ⇒ If you don't control a card named "Robert, AAA Analyzer" and your opponent controls two or more magic stones, you may put this card from your hand into the field. Until end of turn, you cannot put cards that share a name with this card into the field.