Elsa, AAA Attacker (TTT-072 N) [Thoth of the Trinity]

Play this card or its abilities only if you control a J/ruler with "Wu Xiaohu" in its name and with no attribute. [Enter] Target a resonator spell. As it enters the field, it becomes a magic stone until the next end of your turn. It is no longer a resonator. If it would move to a magic stone deck, it doesn't move instead. It gains "[Rest]: Produce 1." and loses all other abilities as long as it is a magic stone. Whenever your opponent plays a resonator spell >>> If you don't control a card named "Elsa, AAA Attacker" 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.