Mikanko Purification Dance

[Equip] Equip only to a "Mikanko" monster. The equipped monster cannot be destroyed by card effects. If a monster(s) is Special Summoned to your opponent's field (except during the Damage Step): You can target 1 monster you control and 1 monster your opponent controls; return them to the hand. You can only use this effect of "Mikanko Purification Dance" once per turn.