اكِهيرون الذكرى

If this card is Normal or Special Summoned: You can activate this effect; this turn, Level 9 or higher "Memento" monsters can attack directly. If this card is destroyed by card effect: You can target 1 of your other "Memento" cards that is banished or in your GY; add it to your hand. If a "Memento" monster(s) in your hand and/or face-up field is destroyed by battle or card effect, while this card is in your GY: You can Special Summon this card. You can only use each effect of "Mementotlan Akihiron" once per turn.